15105555501050 has 48 divisors (see below), whose sum is σ = 32302371265920. Its totient is φ = 5148035319360.

The previous prime is 15105555501037. The next prime is 15105555501061. The reversal of 15105555501050 is 5010555550151.

It is a super-2 number, since 2×15105555501050² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15105555500995 and 15105555501013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129159305 + ... + 129276204.

It is an arithmetic number, because the mean of its divisors is an integer number (672966068040).

Almost surely, 2^{15105555501050} is an apocalyptic number.

15105555501050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15105555501050 is an abundant number, since it is smaller than the sum of its proper divisors (17196815764870).

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

15105555501050 is a wasteful number, since it uses less digits than its factorization.

15105555501050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258435695 (or 258435690 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 38.

The spelling of 15105555501050 in words is "fifteen trillion, one hundred five billion, five hundred fifty-five million, five hundred one thousand, fifty".