1157342520785 has 16 divisors (see below), whose sum is σ = 1519194845952. Its totient is φ = 839410166400.

The previous prime is 1157342520773. The next prime is 1157342520799. The reversal of 1157342520785 is 5870252437511.

It is not a de Polignac number, because 1157342520785 - 2¹² = 1157342516689 is a prime.

It is a Duffinian number.

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, 28648196 + ... + 28688565.

It is an arithmetic number, because the mean of its divisors is an integer number (94949677872).

Almost surely, 2^{1157342520785} is an apocalyptic number.

It is an amenable number.

1157342520785 is a deficient number, since it is larger than the sum of its proper divisors (361852325167).

1157342520785 is a wasteful number, since it uses less digits than its factorization.

1157342520785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57337144.

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 1157342520785 in words is "one trillion, one hundred fifty-seven billion, three hundred forty-two million, five hundred twenty thousand, seven hundred eighty-five".