105555555492 has 24 divisors (see below), whose sum is σ = 246334076352. Its totient is φ = 35179788000.

The previous prime is 105555555451. The next prime is 105555555493. The reversal of 105555555492 is 294555555501.

It is a super-2 number, since 2×105555555492² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105555555493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592759 + ... + 749982.

It is an arithmetic number, because the mean of its divisors is an integer number (10263919848).

Almost surely, 2^105555555492 is an apocalyptic number.

105555555492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105555555492 is an abundant number, since it is smaller than the sum of its proper divisors (140778520860).

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

105555555492 is a wasteful number, since it uses less digits than its factorization.

105555555492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349299 (or 1349297 counting only the distinct ones).

The product of its (nonzero) digits is 5625000, while the sum is 51.

The spelling of 105555555492 in words is "one hundred five billion, five hundred fifty-five million, five hundred fifty-five thousand, four hundred ninety-two".