1149711057 has 16 divisors (see below), whose sum is σ = 1858119360. Its totient is φ = 696794400.

The previous prime is 1149711007. The next prime is 1149711067. The reversal of 1149711057 is 7501179411.

1149711057 is a `hidden beast` number, since 1 + 1 + 497 + 110 + 57 = 666.

It is not a de Polignac number, because 1149711057 - 2¹⁰ = 1149710033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1149711007) 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 15 ways as a sum of consecutive naturals, for example, 1935244 + ... + 1935837.

It is an arithmetic number, because the mean of its divisors is an integer number (116132460).

Almost surely, 2^1149711057 is an apocalyptic number.

It is an amenable number.

1149711057 is a deficient number, since it is larger than the sum of its proper divisors (708408303).

1149711057 is a wasteful number, since it uses less digits than its factorization.

1149711057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871101 (or 3871095 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 36.

The square root of 1149711057 is about 33907.3894158781. The cubic root of 1149711057 is about 1047.6018001515.

The spelling of 1149711057 in words is "one billion, one hundred forty-nine million, seven hundred eleven thousand, fifty-seven".