115906422172 has 12 divisors (see below), whose sum is σ = 203031468640. Its totient is φ = 57897431136.

The previous prime is 115906422119. The next prime is 115906422211. The reversal of 115906422172 is 271224609511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13940313 + ... + 13948624.

Almost surely, 2^115906422172 is an apocalyptic number.

It is an amenable number.

115906422172 is a deficient number, since it is larger than the sum of its proper divisors (87125046468).

115906422172 is a wasteful number, since it uses less digits than its factorization.

115906422172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27889980 (or 27889978 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 115906422172 in words is "one hundred fifteen billion, nine hundred six million, four hundred twenty-two thousand, one hundred seventy-two".