1355363257137 has 32 divisors (see below), whose sum is σ = 1825944514560. Its totient is φ = 894217605120.

The previous prime is 1355363257117. The next prime is 1355363257169. The reversal of 1355363257137 is 7317523635531.

It is not a de Polignac number, because 1355363257137 - 2²⁰ = 1355362208561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1355363257137.

It is not an unprimeable number, because it can be changed into a prime (1355363257117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297161337 + ... + 297165897.

It is an arithmetic number, because the mean of its divisors is an integer number (57060766080).

Almost surely, 2^{1355363257137} is an apocalyptic number.

It is an amenable number.

1355363257137 is a deficient number, since it is larger than the sum of its proper divisors (470581257423).

1355363257137 is a wasteful number, since it uses less digits than its factorization.

1355363257137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473.

The product of its digits is 5953500, while the sum is 51.

The spelling of 1355363257137 in words is "one trillion, three hundred fifty-five billion, three hundred sixty-three million, two hundred fifty-seven thousand, one hundred thirty-seven".