61710600272105 has 4 divisors (see below), whose sum is σ = 74052720326532. Its totient is φ = 49368480217680.

The previous prime is 61710600272063. The next prime is 61710600272119. The reversal of 61710600272105 is 50127200601716.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29576542618624 + 32134057653481 = 5438432^2 + 5668691^2 .

It is not a de Polignac number, because 61710600272105 - 2³⁴ = 61693420402921 is a prime.

It is a super-2 number, since 2×61710600272105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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, 6171060027206 + ... + 6171060027215.

It is an arithmetic number, because the mean of its divisors is an integer number (18513180081633).

Almost surely, 2^{61710600272105} is an apocalyptic number.

It is an amenable number.

61710600272105 is a deficient number, since it is larger than the sum of its proper divisors (12342120054427).

61710600272105 is a wasteful number, since it uses less digits than its factorization.

61710600272105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12342120054426.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 61710600272105 in words is "sixty-one trillion, seven hundred ten billion, six hundred million, two hundred seventy-two thousand, one hundred five".