61118573417 has 36 divisors (see below), whose sum is σ = 74467904448. Its totient is φ = 50019657600.

The previous prime is 61118573387. The next prime is 61118573441. The reversal of 61118573417 is 71437581116.

It is not a de Polignac number, because 61118573417 - 2⁸ = 61118573161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61118570417) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 766292 + ... + 842282.

Almost surely, 2^61118573417 is an apocalyptic number.

It is an amenable number.

61118573417 is a deficient number, since it is larger than the sum of its proper divisors (13349331031).

61118573417 is a wasteful number, since it uses less digits than its factorization.

61118573417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76070 (or 76042 counting only the distinct ones).

The product of its digits is 141120, while the sum is 44.

The spelling of 61118573417 in words is "sixty-one billion, one hundred eighteen million, five hundred seventy-three thousand, four hundred seventeen".