61013761570 has 8 divisors (see below), whose sum is σ = 109824770844. Its totient is φ = 24405504624.

The previous prime is 61013761559. The next prime is 61013761631. The reversal of 61013761570 is 7516731016.

It can be written as a sum of positive squares in 2 ways, for example, as 55224530001 + 5789231569 = 234999^2 + 76087^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050688069 + ... + 3050688088.

Almost surely, 2^61013761570 is an apocalyptic number.

61013761570 is a deficient number, since it is larger than the sum of its proper divisors (48811009274).

61013761570 is a wasteful number, since it uses less digits than its factorization.

61013761570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101376164.

The product of its (nonzero) digits is 26460, while the sum is 37.

The spelling of 61013761570 in words is "sixty-one billion, thirteen million, seven hundred sixty-one thousand, five hundred seventy".