1161573251795 has 32 divisors (see below), whose sum is σ = 1623181109760. Its totient is φ = 789046272000.

The previous prime is 1161573251743. The next prime is 1161573251819. The reversal of 1161573251795 is 5971523751611.

It is not a de Polignac number, because 1161573251795 - 2⁶ = 1161573251731 is a prime.

It is a super-2 number, since 2×1161573251795² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7753646 + ... + 7902035.

It is an arithmetic number, because the mean of its divisors is an integer number (50724409680).

Almost surely, 2^{1161573251795} is an apocalyptic number.

1161573251795 is a deficient number, since it is larger than the sum of its proper divisors (461607857965).

1161573251795 is a wasteful number, since it uses less digits than its factorization.

1161573251795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15655787.

The product of its digits is 1984500, while the sum is 53.

The spelling of 1161573251795 in words is "one trillion, one hundred sixty-one billion, five hundred seventy-three million, two hundred fifty-one thousand, seven hundred ninety-five".