11544868053 has 12 divisors (see below), whose sum is σ = 16683665388. Its totient is φ = 7693004160.

The previous prime is 11544868001. The next prime is 11544868063. The reversal of 11544868053 is 35086844511.

11544868053 is a `hidden beast` number, since 115 + 4 + 486 + 8 + 0 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2907582084 + 8637285969 = 53922^2 + 92937^2 .

It is not a de Polignac number, because 11544868053 - 2⁸ = 11544867797 is a prime.

It is a super-2 number, since 2×11544868053² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11544868063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277350 + ... + 316247.

It is an arithmetic number, because the mean of its divisors is an integer number (1390305449).

Almost surely, 2^11544868053 is an apocalyptic number.

It is an amenable number.

11544868053 is a deficient number, since it is larger than the sum of its proper divisors (5138797335).

11544868053 is a wasteful number, since it uses less digits than its factorization.

11544868053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595764 (or 595761 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 11544868053 in words is "eleven billion, five hundred forty-four million, eight hundred sixty-eight thousand, fifty-three".