61107101139 has 16 divisors (see below), whose sum is σ = 93732247040. Its totient is φ = 34687094400.

The previous prime is 61107101023. The next prime is 61107101149. The reversal of 61107101139 is 93110170116.

It is not a de Polignac number, because 61107101139 - 2¹² = 61107097043 is a prime.

It is a super-2 number, since 2×61107101139² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61107101149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9632134 + ... + 9638475.

It is an arithmetic number, because the mean of its divisors is an integer number (5858265440).

Almost surely, 2^61107101139 is an apocalyptic number.

61107101139 is a deficient number, since it is larger than the sum of its proper divisors (32625145901).

61107101139 is a wasteful number, since it uses less digits than its factorization.

61107101139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19270770.

The product of its (nonzero) digits is 1134, while the sum is 30.

The spelling of 61107101139 in words is "sixty-one billion, one hundred seven million, one hundred one thousand, one hundred thirty-nine".