115694144639 has 8 divisors (see below), whose sum is σ = 116773411920. Its totient is φ = 114615202176.

The previous prime is 115694144609. The next prime is 115694144647. The reversal of 115694144639 is 936441496511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115694144639 - 2⁸ = 115694144383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115694144609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666407 + ... + 821879.

It is an arithmetic number, because the mean of its divisors is an integer number (14596676490).

Almost surely, 2^115694144639 is an apocalyptic number.

115694144639 is a deficient number, since it is larger than the sum of its proper divisors (1079267281).

115694144639 is a wasteful number, since it uses less digits than its factorization.

115694144639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162409.

The product of its digits is 2799360, while the sum is 53.

The spelling of 115694144639 in words is "one hundred fifteen billion, six hundred ninety-four million, one hundred forty-four thousand, six hundred thirty-nine".