1151561615673 has 16 divisors (see below), whose sum is σ = 1857981767040. Its totient is φ = 619327255296.

The previous prime is 1151561615663. The next prime is 1151561615747. The reversal of 1151561615673 is 3765161651511.

It is not a de Polignac number, because 1151561615673 - 2⁹ = 1151561615161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1151561615663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612831038 + ... + 1612831751.

It is an arithmetic number, because the mean of its divisors is an integer number (116123860440).

Almost surely, 2^{1151561615673} is an apocalyptic number.

It is an amenable number.

1151561615673 is a deficient number, since it is larger than the sum of its proper divisors (706420151367).

1151561615673 is a wasteful number, since it uses less digits than its factorization.

1151561615673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225662816.

The product of its digits is 567000, while the sum is 48.

The spelling of 1151561615673 in words is "one trillion, one hundred fifty-one billion, five hundred sixty-one million, six hundred fifteen thousand, six hundred seventy-three".