1157051620423 has 4 divisors (see below), whose sum is σ = 1167291015408. Its totient is φ = 1146812225440.

The previous prime is 1157051620339. The next prime is 1157051620499. The reversal of 1157051620423 is 3240261507511.

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

It is a cyclic number.

It is not a de Polignac number, because 1157051620423 - 2³³ = 1148461685831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157051620723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5119697323 + ... + 5119697548.

It is an arithmetic number, because the mean of its divisors is an integer number (291822753852).

Almost surely, 2^{1157051620423} is an apocalyptic number.

1157051620423 is a deficient number, since it is larger than the sum of its proper divisors (10239394985).

1157051620423 is a wasteful number, since it uses less digits than its factorization.

1157051620423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10239394984.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 1157051620423 in words is "one trillion, one hundred fifty-seven billion, fifty-one million, six hundred twenty thousand, four hundred twenty-three".