15551061101050 has 24 divisors (see below), whose sum is σ = 30182581200096. Its totient is φ = 5949971203440.

The previous prime is 15551061101039. The next prime is 15551061101087. The reversal of 15551061101050 is 5010116015551.

15551061101050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15551061101050² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6761329764 + ... + 6761332063.

It is an arithmetic number, because the mean of its divisors is an integer number (1257607550004).

Almost surely, 2^{15551061101050} is an apocalyptic number.

15551061101050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15551061101050 is a deficient number, since it is larger than the sum of its proper divisors (14631520099046).

15551061101050 is a wasteful number, since it uses less digits than its factorization.

15551061101050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13522661862 (or 13522661857 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 15551061101050 in words is "fifteen trillion, five hundred fifty-one billion, sixty-one million, one hundred one thousand, fifty".