105531157264 has 40 divisors (see below), whose sum is σ = 220220404992. Its totient is φ = 48701028480.

The previous prime is 105531157241. The next prime is 105531157271. The reversal of 105531157264 is 462751135501.

It is a happy number.

It is a super-2 number, since 2×105531157264² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2152059 + ... + 2200549.

Almost surely, 2^105531157264 is an apocalyptic number.

It is an amenable number.

105531157264 is an abundant number, since it is smaller than the sum of its proper divisors (114689247728).

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

105531157264 is a wasteful number, since it uses less digits than its factorization.

105531157264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58975 (or 58969 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The spelling of 105531157264 in words is "one hundred five billion, five hundred thirty-one million, one hundred fifty-seven thousand, two hundred sixty-four".