111276398097 has 24 divisors (see below), whose sum is σ = 162394951680. Its totient is φ = 73419877440.

The previous prime is 111276398087. The next prime is 111276398147. The reversal of 111276398097 is 790893672111.

It is a happy number.

It is not a de Polignac number, because 111276398097 - 2⁶ = 111276398033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111276398027) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 348472 + ... + 586502.

It is an arithmetic number, because the mean of its divisors is an integer number (6766456320).

Almost surely, 2^111276398097 is an apocalyptic number.

It is an amenable number.

111276398097 is a deficient number, since it is larger than the sum of its proper divisors (51118553583).

111276398097 is a wasteful number, since it uses less digits than its factorization.

111276398097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238573 (or 238570 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 111276398097 in words is "one hundred eleven billion, two hundred seventy-six million, three hundred ninety-eight thousand, ninety-seven".