1151655057 has 32 divisors (see below), whose sum is σ = 2034677760. Its totient is φ = 629473680.

The previous prime is 1151655019. The next prime is 1151655059. The reversal of 1151655057 is 7505561511.

It is a happy number.

1151655057 is a `hidden beast` number, since 1 + 1 + 51 + 6 + 550 + 57 = 666.

It is not a de Polignac number, because 1151655057 - 2⁶ = 1151654993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151655059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128119 + ... + 136812.

It is an arithmetic number, because the mean of its divisors is an integer number (63583680).

Almost surely, 2^1151655057 is an apocalyptic number.

It is an amenable number.

1151655057 is a deficient number, since it is larger than the sum of its proper divisors (883022703).

1151655057 is a wasteful number, since it uses less digits than its factorization.

1151655057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264970 (or 264964 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 36.

The square root of 1151655057 is about 33936.0436262096. The cubic root of 1151655057 is about 1048.1919168684.

The spelling of 1151655057 in words is "one billion, one hundred fifty-one million, six hundred fifty-five thousand, fifty-seven".