111406542146 has 16 divisors (see below), whose sum is σ = 174389760000. Its totient is φ = 53277019488.

The previous prime is 111406542127. The next prime is 111406542151. The reversal of 111406542146 is 641245604111.

It is a super-2 number, since 2×111406542146² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507455 + ... + 693053.

It is an arithmetic number, because the mean of its divisors is an integer number (10899360000).

Almost surely, 2^111406542146 is an apocalyptic number.

111406542146 is a deficient number, since it is larger than the sum of its proper divisors (62983217854).

111406542146 is a wasteful number, since it uses less digits than its factorization.

111406542146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198673.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 111406542146 in words is "one hundred eleven billion, four hundred six million, five hundred forty-two thousand, one hundred forty-six".