108595264861531 has 4 divisors (see below), whose sum is σ = 124108874127472. Its totient is φ = 93081655595592.

The previous prime is 108595264861513. The next prime is 108595264861661. The reversal of 108595264861531 is 135168462595801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108595264861531 is a prime.

It is a super-2 number, since 2×108595264861531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108595264861931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7756804632960 + ... + 7756804632973.

It is an arithmetic number, because the mean of its divisors is an integer number (31027218531868).

Almost surely, 2^{108595264861531} is an apocalyptic number.

108595264861531 is a deficient number, since it is larger than the sum of its proper divisors (15513609265941).

108595264861531 is an equidigital number, since it uses as much as digits as its factorization.

108595264861531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15513609265940.

The product of its (nonzero) digits is 62208000, while the sum is 64.

The spelling of 108595264861531 in words is "one hundred eight trillion, five hundred ninety-five billion, two hundred sixty-four million, eight hundred sixty-one thousand, five hundred thirty-one".