111948632090 has 32 divisors (see below), whose sum is σ = 210904131456. Its totient is φ = 42703087680.

The previous prime is 111948632077. The next prime is 111948632099. The reversal of 111948632090 is 90236849111.

It is not an unprimeable number, because it can be changed into a prime (111948632099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659117 + ... + 811376.

It is an arithmetic number, because the mean of its divisors is an integer number (6590754108).

Almost surely, 2^111948632090 is an apocalyptic number.

111948632090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111948632090 is a deficient number, since it is larger than the sum of its proper divisors (98955499366).

111948632090 is a wasteful number, since it uses less digits than its factorization.

111948632090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470854.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 111948632090 in words is "one hundred eleven billion, nine hundred forty-eight million, six hundred thirty-two thousand, ninety".