617054113507 has 4 divisors (see below), whose sum is σ = 664519814560. Its totient is φ = 569588412456.

The previous prime is 617054113499. The next prime is 617054113601. The reversal of 617054113507 is 705311450716.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 617054113507 - 2³ = 617054113499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 617054113507.

It is not an unprimeable number, because it can be changed into a prime (617054113007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23732850507 + ... + 23732850532.

It is an arithmetic number, because the mean of its divisors is an integer number (166129953640).

Almost surely, 2^617054113507 is an apocalyptic number.

617054113507 is a deficient number, since it is larger than the sum of its proper divisors (47465701053).

617054113507 is a wasteful number, since it uses less digits than its factorization.

617054113507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47465701052.

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 617054113507 in words is "six hundred seventeen billion, fifty-four million, one hundred thirteen thousand, five hundred seven".