20116111756172 has 6 divisors (see below), whose sum is σ = 35203195573308. Its totient is φ = 10058055878084.

The previous prime is 20116111756123. The next prime is 20116111756211. The reversal of 20116111756172 is 27165711161102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2514513969518 + ... + 2514513969525.

It is an arithmetic number, because the mean of its divisors is an integer number (5867199262218).

Almost surely, 2^{20116111756172} is an apocalyptic number.

It is an amenable number.

20116111756172 is a deficient number, since it is larger than the sum of its proper divisors (15087083817136).

20116111756172 is a wasteful number, since it uses less digits than its factorization.

20116111756172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029027939047 (or 5029027939045 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 41.

The spelling of 20116111756172 in words is "twenty trillion, one hundred sixteen billion, one hundred eleven million, seven hundred fifty-six thousand, one hundred seventy-two".