115660141011566 has 16 divisors (see below), whose sum is σ = 182669069615760. Its totient is φ = 54772044284160.

The previous prime is 115660141011551. The next prime is 115660141011581. The reversal of 115660141011566 is 665110141066511.

It is an interprime number because it is at equal distance from previous prime (115660141011551) and next prime (115660141011581).

It is a congruent number.

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, 398139011 + ... + 398429406.

It is an arithmetic number, because the mean of its divisors is an integer number (11416816850985).

Almost surely, 2^{115660141011566} is an apocalyptic number.

115660141011566 is a deficient number, since it is larger than the sum of its proper divisors (67008928604194).

115660141011566 is a wasteful number, since it uses less digits than its factorization.

115660141011566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796572259.

The product of its (nonzero) digits is 129600, while the sum is 44.

Subtracting 115660141011566 from its reverse (665110141066511), we obtain a palindrome (549450000054945).

The spelling of 115660141011566 in words is "one hundred fifteen trillion, six hundred sixty billion, one hundred forty-one million, eleven thousand, five hundred sixty-six".