61057577594 has 16 divisors (see below), whose sum is σ = 98636754048. Its totient is φ = 28178911152.

The previous prime is 61057577557. The next prime is 61057577599. The reversal of 61057577594 is 49577575016.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61057577599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541499 + ... + 644465.

It is an arithmetic number, because the mean of its divisors is an integer number (6164797128).

Almost surely, 2^61057577594 is an apocalyptic number.

61057577594 is a deficient number, since it is larger than the sum of its proper divisors (37579176454).

61057577594 is a wasteful number, since it uses less digits than its factorization.

61057577594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125789.

The product of its (nonzero) digits is 9261000, while the sum is 56.

The spelling of 61057577594 in words is "sixty-one billion, fifty-seven million, five hundred seventy-seven thousand, five hundred ninety-four".