11645245053 has 24 divisors (see below), whose sum is σ = 18194668128. Its totient is φ = 7134718752.

The previous prime is 11645245049. The next prime is 11645245057. The reversal of 11645245053 is 35054254611.

11645245053 is a `hidden beast` number, since 1 + 1 + 645 + 2 + 4 + 5 + 0 + 5 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (11645245049) and next prime (11645245057).

It is not a de Polignac number, because 11645245053 - 2² = 11645245049 is a prime.

It is a super-2 number, since 2×11645245053² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11645244999 and 11645245017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11645245057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192675 + ... + 245792.

It is an arithmetic number, because the mean of its divisors is an integer number (758111172).

Almost surely, 2^11645245053 is an apocalyptic number.

11645245053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11645245053 is a deficient number, since it is larger than the sum of its proper divisors (6549423075).

11645245053 is a wasteful number, since it uses less digits than its factorization.

11645245053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438713 (or 438710 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 11645245053 its reverse (35054254611), we get a palindrome (46699499664).

The spelling of 11645245053 in words is "eleven billion, six hundred forty-five million, two hundred forty-five thousand, fifty-three".