11553543852258 has 32 divisors (see below), whose sum is σ = 24323894691840. Its totient is φ = 3648390860880.

The previous prime is 11553543852229. The next prime is 11553543852269. The reversal of 11553543852258 is 85225834535511.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 11553543852198 and 11553543852207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3041203 + ... + 5688233.

It is an arithmetic number, because the mean of its divisors is an integer number (760121709120).

Almost surely, 2^{11553543852258} is an apocalyptic number.

11553543852258 is an abundant number, since it is smaller than the sum of its proper divisors (12770350839582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11553543852258 is a wasteful number, since it uses less digits than its factorization.

11553543852258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685342.

The product of its digits is 28800000, while the sum is 57.

The spelling of 11553543852258 in words is "eleven trillion, five hundred fifty-three billion, five hundred forty-three million, eight hundred fifty-two thousand, two hundred fifty-eight".