61277171161010 has 24 divisors (see below), whose sum is σ = 128306893085100. Its totient is φ = 21009315826464.

The previous prime is 61277171160911. The next prime is 61277171161021. The reversal of 61277171161010 is 1016117177216.

It can be written as a sum of positive squares in 2 ways, for example, as 60631746916321 + 645424244689 = 7786639^2 + 803383^2 .

It is a super-3 number, since 3×61277171161010³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62527725185 + ... + 62527726164.

Almost surely, 2^{61277171161010} is an apocalyptic number.

61277171161010 is an abundant number, since it is smaller than the sum of its proper divisors (67029721924090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61277171161010 is a wasteful number, since it uses less digits than its factorization.

61277171161010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125055451370 (or 125055451363 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 41.

The spelling of 61277171161010 in words is "sixty-one trillion, two hundred seventy-seven billion, one hundred seventy-one million, one hundred sixty-one thousand, ten".