61316136045 has 24 divisors (see below), whose sum is σ = 111875056800. Its totient is φ = 30980784096.

The previous prime is 61316136043. The next prime is 61316136047. The reversal of 61316136045 is 54063161316.

61316136045 is a `hidden beast` number, since 6 + 1 + 31 + 6 + 13 + 604 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (61316136043) and next prime (61316136047).

It is not a de Polignac number, because 61316136045 - 2¹ = 61316136043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61316136043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35856535 + ... + 35858244.

It is an arithmetic number, because the mean of its divisors is an integer number (4661460700).

Almost surely, 2^61316136045 is an apocalyptic number.

It is an amenable number.

61316136045 is a deficient number, since it is larger than the sum of its proper divisors (50558920755).

61316136045 is a wasteful number, since it uses less digits than its factorization.

61316136045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71714809 (or 71714806 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 61316136045 in words is "sixty-one billion, three hundred sixteen million, one hundred thirty-six thousand, forty-five".