61122345137 has 16 divisors (see below), whose sum is σ = 70321766400. Its totient is φ = 52040715408.

The previous prime is 61122345131. The next prime is 61122345149. The reversal of 61122345137 is 73154322116.

It is a cyclic number.

It is not a de Polignac number, because 61122345137 - 2⁶ = 61122345073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61122345097 and 61122345106.

It is not an unprimeable number, because it can be changed into a prime (61122345131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809408 + ... + 881694.

It is an arithmetic number, because the mean of its divisors is an integer number (4395110400).

Almost surely, 2^61122345137 is an apocalyptic number.

It is an amenable number.

61122345137 is a deficient number, since it is larger than the sum of its proper divisors (9199421263).

61122345137 is a wasteful number, since it uses less digits than its factorization.

61122345137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73100.

The product of its digits is 30240, while the sum is 35.

The spelling of 61122345137 in words is "sixty-one billion, one hundred twenty-two million, three hundred forty-five thousand, one hundred thirty-seven".