1156252651161 has 64 divisors (see below), whose sum is σ = 1691520749568. Its totient is φ = 699573500928.

The previous prime is 1156252651067. The next prime is 1156252651171. The reversal of 1156252651161 is 1611562526511.

It is not a de Polignac number, because 1156252651161 - 2¹⁷ = 1156252520089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1156252651171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112877106 + ... + 112887348.

It is an arithmetic number, because the mean of its divisors is an integer number (26430011712).

Almost surely, 2^{1156252651161} is an apocalyptic number.

It is an amenable number.

1156252651161 is a deficient number, since it is larger than the sum of its proper divisors (535268098407).

1156252651161 is a wasteful number, since it uses less digits than its factorization.

1156252651161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10830.

The product of its digits is 108000, while the sum is 42.

The spelling of 1156252651161 in words is "one trillion, one hundred fifty-six billion, two hundred fifty-two million, six hundred fifty-one thousand, one hundred sixty-one".