15165001200050 has 96 divisors (see below), whose sum is σ = 31627685479824. Its totient is φ = 5373259776000.

The previous prime is 15165001199951. The next prime is 15165001200101. The reversal of 15165001200050 is 5000210056151.

It can be written as a sum of positive squares in 24 ways, for example, as 11448214357441 + 3716786842609 = 3383521^2 + 1927897^2 .

It is a super-2 number, since 2×15165001200050² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15165001199992 and 15165001200019.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3038639 + ... + 6289938.

Almost surely, 2^{15165001200050} is an apocalyptic number.

15165001200050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15165001200050 is an abundant number, since it is smaller than the sum of its proper divisors (16462684279774).

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

15165001200050 is a wasteful number, since it uses less digits than its factorization.

15165001200050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9328704 (or 9328699 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 15165001200050 in words is "fifteen trillion, one hundred sixty-five billion, one million, two hundred thousand, fifty".