111516161490 has 48 divisors (see below), whose sum is σ = 291720843648. Its totient is φ = 29555199648.

The previous prime is 111516161459. The next prime is 111516161501. The reversal of 111516161490 is 94161615111.

111516161490 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 1 + 6 + 161 + 490 = 666.

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, 3786154 + ... + 3815493.

It is an arithmetic number, because the mean of its divisors is an integer number (6077517576).

Almost surely, 2^111516161490 is an apocalyptic number.

111516161490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111516161490 is an abundant number, since it is smaller than the sum of its proper divisors (180204682158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111516161490 is a wasteful number, since it uses less digits than its factorization.

111516161490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601823 (or 7601820 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

The spelling of 111516161490 in words is "one hundred eleven billion, five hundred sixteen million, one hundred sixty-one thousand, four hundred ninety".