1157820795 has 96 divisors (see below), whose sum is σ = 2174515200. Its totient is φ = 568657152.

The previous prime is 1157820793. The next prime is 1157820821. The reversal of 1157820795 is 5970287511.

1157820795 is a `hidden beast` number, since 1 + 1 + 578 + 2 + 0 + 79 + 5 = 666.

It is not a de Polignac number, because 1157820795 - 2¹ = 1157820793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1157820795.

It is not an unprimeable number, because it can be changed into a prime (1157820791) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2637186 + ... + 2637624.

It is an arithmetic number, because the mean of its divisors is an integer number (22651200).

Almost surely, 2^1157820795 is an apocalyptic number.

1157820795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1157820795 is a deficient number, since it is larger than the sum of its proper divisors (1016694405).

1157820795 is a wasteful number, since it uses less digits than its factorization.

1157820795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The square root of 1157820795 is about 34026.7658615978. The cubic root of 1157820795 is about 1050.0591939418.

The spelling of 1157820795 in words is "one billion, one hundred fifty-seven million, eight hundred twenty thousand, seven hundred ninety-five".