1157171562 has 16 divisors (see below), whose sum is σ = 2571492480. Its totient is φ = 385723836.

The previous prime is 1157171531. The next prime is 1157171567. The reversal of 1157171562 is 2651717511.

It is a happy number.

1157171562 is a `hidden beast` number, since 11 + 571 + 7 + 15 + 62 = 666.

It is not an unprimeable number, because it can be changed into a prime (1157171567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10714498 + ... + 10714605.

It is an arithmetic number, because the mean of its divisors is an integer number (160718280).

Almost surely, 2^1157171562 is an apocalyptic number.

1157171562 is an abundant number, since it is smaller than the sum of its proper divisors (1414320918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157171562 is a wasteful number, since it uses less digits than its factorization.

1157171562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21429114 (or 21429108 counting only the distinct ones).

The product of its digits is 14700, while the sum is 36.

The square root of 1157171562 is about 34017.2244899551. The cubic root of 1157171562 is about 1049.8628882188.

The spelling of 1157171562 in words is "one billion, one hundred fifty-seven million, one hundred seventy-one thousand, five hundred sixty-two".