117426520654 has 32 divisors (see below), whose sum is σ = 185089294656. Its totient is φ = 55766430720.

The previous prime is 117426520633. The next prime is 117426520657. The reversal of 117426520654 is 456025624711.

It is a self number, because there is not a number n which added to its sum of digits gives 117426520654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117426520657) 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, 13435774 + ... + 13444510.

It is an arithmetic number, because the mean of its divisors is an integer number (5784040458).

Almost surely, 2^117426520654 is an apocalyptic number.

117426520654 is a deficient number, since it is larger than the sum of its proper divisors (67662774002).

117426520654 is a wasteful number, since it uses less digits than its factorization.

117426520654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10780.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 117426520654 in words is "one hundred seventeen billion, four hundred twenty-six million, five hundred twenty thousand, six hundred fifty-four".