13957799555 has 16 divisors (see below), whose sum is σ = 19196990400. Its totient is φ = 9543629952.

The previous prime is 13957799539. The next prime is 13957799623. The reversal of 13957799555 is 55599775931.

It is a cyclic number.

It is not a de Polignac number, because 13957799555 - 2⁴ = 13957799539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13957799491 and 13957799500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559124 + ... + 583553.

It is an arithmetic number, because the mean of its divisors is an integer number (1199811900).

Almost surely, 2^13957799555 is an apocalyptic number.

13957799555 is a deficient number, since it is larger than the sum of its proper divisors (5239190845).

13957799555 is a wasteful number, since it uses less digits than its factorization.

13957799555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143038.

The product of its digits is 66976875, while the sum is 65.

The spelling of 13957799555 in words is "thirteen billion, nine hundred fifty-seven million, seven hundred ninety-nine thousand, five hundred fifty-five".