1357655345523 has 12 divisors (see below), whose sum is σ = 1961491354680. Its totient is φ = 904903425216.

The previous prime is 1357655345513. The next prime is 1357655345539. The reversal of 1357655345523 is 3255435567531.

1357655345523 is a `hidden beast` number, since 1 + 3 + 5 + 7 + 6 + 55 + 34 + 552 + 3 = 666.

It is not a de Polignac number, because 1357655345523 - 2¹⁰ = 1357655344499 is a prime.

It is a super-2 number, since 2×1357655345523² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1357655345523.

It is not an unprimeable number, because it can be changed into a prime (1357655345513) 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, 16635238 + ... + 16716651.

It is an arithmetic number, because the mean of its divisors is an integer number (163457612890).

Almost surely, 2^{1357655345523} is an apocalyptic number.

1357655345523 is a deficient number, since it is larger than the sum of its proper divisors (603836009157).

1357655345523 is a wasteful number, since it uses less digits than its factorization.

1357655345523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33356418 (or 33356415 counting only the distinct ones).

The product of its digits is 28350000, while the sum is 54.

The spelling of 1357655345523 in words is "one trillion, three hundred fifty-seven billion, six hundred fifty-five million, three hundred forty-five thousand, five hundred twenty-three".