1150601157 has 24 divisors (see below), whose sum is σ = 1761566040. Its totient is φ = 721198080.

The previous prime is 1150601149. The next prime is 1150601201. The reversal of 1150601157 is 7511060511.

It is a happy number.

1150601157 is a `hidden beast` number, since 1 + 1 + 5 + 0 + 601 + 1 + 57 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 330294276 + 820306881 = 18174^2 + 28641^2 .

It is not a de Polignac number, because 1150601157 - 2³ = 1150601149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1150601157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150601957) 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, 169407 + ... + 176067.

It is an arithmetic number, because the mean of its divisors is an integer number (73398585).

Almost surely, 2^1150601157 is an apocalyptic number.

1150601157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1150601157 is a deficient number, since it is larger than the sum of its proper divisors (610964883).

1150601157 is a wasteful number, since it uses less digits than its factorization.

1150601157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813 (or 7810 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 27.

The square root of 1150601157 is about 33920.5123339846. The cubic root of 1150601157 is about 1047.8720796048.

Adding to 1150601157 its reverse (7511060511), we get a palindrome (8661661668).

The spelling of 1150601157 in words is "one billion, one hundred fifty million, six hundred one thousand, one hundred fifty-seven".