109777748015 has 16 divisors (see below), whose sum is σ = 143864755776. Its totient is φ = 79924857600.

The previous prime is 109777747931. The next prime is 109777748033. The reversal of 109777748015 is 510847777901.

It is not a de Polignac number, because 109777748015 - 2⁸ = 109777747759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11888966 + ... + 11898195.

It is an arithmetic number, because the mean of its divisors is an integer number (8991547236).

Almost surely, 2^109777748015 is an apocalyptic number.

109777748015 is a deficient number, since it is larger than the sum of its proper divisors (34087007761).

109777748015 is a wasteful number, since it uses less digits than its factorization.

109777748015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23787250.

The product of its (nonzero) digits is 3457440, while the sum is 56.

The spelling of 109777748015 in words is "one hundred nine billion, seven hundred seventy-seven million, seven hundred forty-eight thousand, fifteen".