115642441757766 has 64 divisors (see below), whose sum is σ = 288580634542080. Its totient is φ = 30013512953760.

The previous prime is 115642441757747. The next prime is 115642441757771. The reversal of 115642441757766 is 667757144246511.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 115642441757697 and 115642441757706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97262236 + ... + 98444031.

It is an arithmetic number, because the mean of its divisors is an integer number (4509072414720).

Almost surely, 2^{115642441757766} is an apocalyptic number.

115642441757766 is an abundant number, since it is smaller than the sum of its proper divisors (172938192784314).

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

115642441757766 is a wasteful number, since it uses less digits than its factorization.

115642441757766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195707569.

The product of its digits is 237081600, while the sum is 66.

The spelling of 115642441757766 in words is "one hundred fifteen trillion, six hundred forty-two billion, four hundred forty-one million, seven hundred fifty-seven thousand, seven hundred sixty-six".