115715212157641 has 16 divisors (see below), whose sum is σ = 121673788841088. Its totient is φ = 109834005424000.

The previous prime is 115715212157609. The next prime is 115715212157663. The reversal of 115715212157641 is 146751212517511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115715212157641 - 2⁵ = 115715212157609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115715212157141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63583935 + ... + 65378491.

It is an arithmetic number, because the mean of its divisors is an integer number (7604611802568).

Almost surely, 2^{115715212157641} is an apocalyptic number.

It is an amenable number.

115715212157641 is a deficient number, since it is larger than the sum of its proper divisors (5958576683447).

115715212157641 is a wasteful number, since it uses less digits than its factorization.

115715212157641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816112.

The product of its digits is 588000, while the sum is 49.

The spelling of 115715212157641 in words is "one hundred fifteen trillion, seven hundred fifteen billion, two hundred twelve million, one hundred fifty-seven thousand, six hundred forty-one".