61306125108 has 24 divisors (see below), whose sum is σ = 143057466048. Its totient is φ = 20433969216.

The previous prime is 61306125103. The next prime is 61306125113. The reversal of 61306125108 is 80152160316.

It is an interprime number because it is at equal distance from previous prime (61306125103) and next prime (61306125113).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61306125103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14185 + ... + 350447.

It is an arithmetic number, because the mean of its divisors is an integer number (5960727752).

Almost surely, 2^61306125108 is an apocalyptic number.

It is an amenable number.

61306125108 is an abundant number, since it is smaller than the sum of its proper divisors (81751340940).

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

61306125108 is a wasteful number, since it uses less digits than its factorization.

61306125108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351463 (or 351461 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 61306125108 in words is "sixty-one billion, three hundred six million, one hundred twenty-five thousand, one hundred eight".