108961088515 has 24 divisors (see below), whose sum is σ = 140220007200. Its totient is φ = 81002398464.

The previous prime is 108961088507. The next prime is 108961088521. The reversal of 108961088515 is 515880169801.

It is a happy number.

It is not a de Polignac number, because 108961088515 - 2³ = 108961088507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427786 + ... + 633184.

It is an arithmetic number, because the mean of its divisors is an integer number (5842500300).

Almost surely, 2^108961088515 is an apocalyptic number.

108961088515 is a deficient number, since it is larger than the sum of its proper divisors (31258918685).

108961088515 is an equidigital number, since it uses as much as digits as its factorization.

108961088515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205579 (or 205500 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 52.

The spelling of 108961088515 in words is "one hundred eight billion, nine hundred sixty-one million, eighty-eight thousand, five hundred fifteen".