61054500506 has 4 divisors (see below), whose sum is σ = 91581750762. Its totient is φ = 30527250252.

The previous prime is 61054500473. The next prime is 61054500517. The reversal of 61054500506 is 60500545016.

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

It can be written as a sum of positive squares in only one way, i.e., 53411369881 + 7643130625 = 231109^2 + 87425^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15263625125 + ... + 15263625128.

Almost surely, 2^61054500506 is an apocalyptic number.

61054500506 is a deficient number, since it is larger than the sum of its proper divisors (30527250256).

61054500506 is a wasteful number, since it uses less digits than its factorization.

61054500506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30527250255.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 61054500506 in words is "sixty-one billion, fifty-four million, five hundred thousand, five hundred six".