13177297355 has 4 divisors (see below), whose sum is σ = 15812756832. Its totient is φ = 10541837880.

The previous prime is 13177297337. The next prime is 13177297361. The reversal of 13177297355 is 55379277131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13177297355 - 2⁶ = 13177297291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317729731 + ... + 1317729740.

It is an arithmetic number, because the mean of its divisors is an integer number (3953189208).

Almost surely, 2^13177297355 is an apocalyptic number.

13177297355 is a deficient number, since it is larger than the sum of its proper divisors (2635459477).

13177297355 is an equidigital number, since it uses as much as digits as its factorization.

13177297355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635459476.

The product of its digits is 1389150, while the sum is 50.

The spelling of 13177297355 in words is "thirteen billion, one hundred seventy-seven million, two hundred ninety-seven thousand, three hundred fifty-five".