11245053551 has 4 divisors (see below), whose sum is σ = 11246436600. Its totient is φ = 11243670504.

The previous prime is 11245053481. The next prime is 11245053577. The reversal of 11245053551 is 15535054211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15535054211 = 31 ⋅501130781.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11245053551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11245053581) 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 3 ways as a sum of consecutive naturals, for example, 679256 + ... + 695613.

It is an arithmetic number, because the mean of its divisors is an integer number (2811609150).

Almost surely, 2^11245053551 is an apocalyptic number.

11245053551 is a deficient number, since it is larger than the sum of its proper divisors (1383049).

11245053551 is an equidigital number, since it uses as much as digits as its factorization.

11245053551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383048.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 11245053551 in words is "eleven billion, two hundred forty-five million, fifty-three thousand, five hundred fifty-one".