115447996643 has 16 divisors (see below), whose sum is σ = 132705484800. Its totient is φ = 98382319200.

The previous prime is 115447996583. The next prime is 115447996673. The reversal of 115447996643 is 346699744511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115447996643 - 2¹² = 115447992547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115447996673) 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, 2464958 + ... + 2511356.

It is an arithmetic number, because the mean of its divisors is an integer number (8294092800).

Almost surely, 2^115447996643 is an apocalyptic number.

115447996643 is a deficient number, since it is larger than the sum of its proper divisors (17257488157).

115447996643 is a wasteful number, since it uses less digits than its factorization.

115447996643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48458.

The product of its digits is 19595520, while the sum is 59.

The spelling of 115447996643 in words is "one hundred fifteen billion, four hundred forty-seven million, nine hundred ninety-six thousand, six hundred forty-three".