61107344125 has 8 divisors (see below), whose sum is σ = 76261965624. Its totient is φ = 48885875200.

The previous prime is 61107344071. The next prime is 61107344143. The reversal of 61107344125 is 52144370116.

61107344125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 121066009 + 60986278116 = 11003^2 + 246954^2 .

It is not a de Polignac number, because 61107344125 - 2¹¹ = 61107342077 is a prime.

It is a super-2 number, since 2×61107344125² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244429252 + ... + 244429501.

It is an arithmetic number, because the mean of its divisors is an integer number (9532745703).

Almost surely, 2^61107344125 is an apocalyptic number.

It is an amenable number.

61107344125 is a deficient number, since it is larger than the sum of its proper divisors (15154621499).

61107344125 is an equidigital number, since it uses as much as digits as its factorization.

61107344125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488858768 (or 488858758 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 61107344125 in words is "sixty-one billion, one hundred seven million, three hundred forty-four thousand, one hundred twenty-five".