13775115955 has 16 divisors (see below), whose sum is σ = 17300073024. Its totient is φ = 10509649920.

The previous prime is 13775115943. The next prime is 13775115983. The reversal of 13775115955 is 55951157731.

It is a happy number.

It is not a de Polignac number, because 13775115955 - 2⁵ = 13775115923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13775115899 and 13775115908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138966 + ... + 216475.

It is an arithmetic number, because the mean of its divisors is an integer number (1081254564).

Almost surely, 2^13775115955 is an apocalyptic number.

13775115955 is a deficient number, since it is larger than the sum of its proper divisors (3524957069).

13775115955 is a wasteful number, since it uses less digits than its factorization.

13775115955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355806.

The product of its digits is 826875, while the sum is 49.

The spelling of 13775115955 in words is "thirteen billion, seven hundred seventy-five million, one hundred fifteen thousand, nine hundred fifty-five".