1157295667 has 12 divisors (see below), whose sum is σ = 1273033440. Its totient is φ = 1051289360.

The previous prime is 1157295661. The next prime is 1157295683. The reversal of 1157295667 is 7665927511.

It is a de Polignac number, because none of the positive numbers 2^k-1157295667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1157295667.

It is not an unprimeable number, because it can be changed into a prime (1157295661) 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, 206934 + ... + 212452.

It is an arithmetic number, because the mean of its divisors is an integer number (106086120).

Almost surely, 2^1157295667 is an apocalyptic number.

1157295667 is a deficient number, since it is larger than the sum of its proper divisors (115737773).

1157295667 is a wasteful number, since it uses less digits than its factorization.

1157295667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274 (or 7263 counting only the distinct ones).

The product of its digits is 793800, while the sum is 49.

The square root of 1157295667 is about 34019.0485904588. The cubic root of 1157295667 is about 1049.9004189764.

The spelling of 1157295667 in words is "one billion, one hundred fifty-seven million, two hundred ninety-five thousand, six hundred sixty-seven".