1150651161 has 48 divisors (see below), whose sum is σ = 1845934272. Its totient is φ = 684864000.

The previous prime is 1150651109. The next prime is 1150651163. The reversal of 1150651161 is 1611560511.

1150651161 is a `hidden beast` number, since 1 + 1 + 5 + 0 + 651 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 1150651161 - 2⁶ = 1150651097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1150651163) 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 47 ways as a sum of consecutive naturals, for example, 1914261 + ... + 1914861.

It is an arithmetic number, because the mean of its divisors is an integer number (38456964).

Almost surely, 2^1150651161 is an apocalyptic number.

1150651161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1150651161 is a deficient number, since it is larger than the sum of its proper divisors (695283111).

1150651161 is a wasteful number, since it uses less digits than its factorization.

1150651161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The square root of 1150651161 is about 33921.2494021078. The cubic root of 1150651161 is about 1047.8872592165.

The spelling of 1150651161 in words is "one billion, one hundred fifty million, six hundred fifty-one thousand, one hundred sixty-one".