1159255197 has 24 divisors (see below), whose sum is σ = 1724049600. Its totient is φ = 750150720.

The previous prime is 1159255183. The next prime is 1159255213. The reversal of 1159255197 is 7915529511.

It is a happy number.

1159255197 is a `hidden beast` number, since 1 + 1 + 5 + 9 + 2 + 551 + 97 = 666.

It is not a de Polignac number, because 1159255197 - 2¹² = 1159251101 is a prime.

It is a super-2 number, since 2×1159255197² = 2687745223543017618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159255597) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65538 + ... + 81324.

It is an arithmetic number, because the mean of its divisors is an integer number (71835400).

Almost surely, 2^1159255197 is an apocalyptic number.

It is an amenable number.

1159255197 is a deficient number, since it is larger than the sum of its proper divisors (564794403).

1159255197 is a wasteful number, since it uses less digits than its factorization.

1159255197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16033 (or 16030 counting only the distinct ones).

The product of its digits is 141750, while the sum is 45.

The square root of 1159255197 is about 34047.8368916441. The cubic root of 1159255197 is about 1050.4926477309.

The spelling of 1159255197 in words is "one billion, one hundred fifty-nine million, two hundred fifty-five thousand, one hundred ninety-seven".