10555550155 has 12 divisors (see below), whose sum is σ = 13455588960. Its totient is φ = 7947707264.

The previous prime is 10555550153. The next prime is 10555550171. The reversal of 10555550155 is 55105555501.

It is not a de Polignac number, because 10555550155 - 2¹ = 10555550153 is a prime.

It is a super-2 number, since 2×10555550155² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10555550153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3650995 + ... + 3653884.

It is an arithmetic number, because the mean of its divisors is an integer number (1121299080).

Almost surely, 2^10555550155 is an apocalyptic number.

10555550155 is a deficient number, since it is larger than the sum of its proper divisors (2900038805).

10555550155 is an equidigital number, since it uses as much as digits as its factorization.

10555550155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304918 (or 7304901 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 37.

The spelling of 10555550155 in words is "ten billion, five hundred fifty-five million, five hundred fifty thousand, one hundred fifty-five".