61560577473 has 16 divisors (see below), whose sum is σ = 82619640960. Its totient is φ = 40771051776.

The previous prime is 61560577451. The next prime is 61560577483. The reversal of 61560577473 is 37477506516.

It is not a de Polignac number, because 61560577473 - 2¹³ = 61560569281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61560577483) 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, 3362761 + ... + 3381017.

It is an arithmetic number, because the mean of its divisors is an integer number (5163727560).

Almost surely, 2^61560577473 is an apocalyptic number.

It is an amenable number.

61560577473 is a deficient number, since it is larger than the sum of its proper divisors (21059063487).

61560577473 is a wasteful number, since it uses less digits than its factorization.

61560577473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25576.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 61560577473 in words is "sixty-one billion, five hundred sixty million, five hundred seventy-seven thousand, four hundred seventy-three".