115858690643 has 16 divisors (see below), whose sum is σ = 121022748000. Its totient is φ = 110809470720.

The previous prime is 115858690621. The next prime is 115858690669. The reversal of 115858690643 is 346096858511.

It is a cyclic number.

It is not a de Polignac number, because 115858690643 - 2¹⁶ = 115858625107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115858690613) 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, 2714633 + ... + 2756981.

It is an arithmetic number, because the mean of its divisors is an integer number (7563921750).

Almost surely, 2^115858690643 is an apocalyptic number.

115858690643 is a deficient number, since it is larger than the sum of its proper divisors (5164057357).

115858690643 is a wasteful number, since it uses less digits than its factorization.

115858690643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43702.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 115858690643 in words is "one hundred fifteen billion, eight hundred fifty-eight million, six hundred ninety thousand, six hundred forty-three".