61162261075 has 6 divisors (see below), whose sum is σ = 75841203764. Its totient is φ = 48929808840.

The previous prime is 61162261073. The next prime is 61162261079. The reversal of 61162261075 is 57016226116.

It is a happy number.

61162261075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61162261075 - 2¹ = 61162261073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61162261073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223245197 + ... + 1223245246.

Almost surely, 2^61162261075 is an apocalyptic number.

61162261075 is a deficient number, since it is larger than the sum of its proper divisors (14678942689).

61162261075 is a wasteful number, since it uses less digits than its factorization.

61162261075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446490453 (or 2446490448 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 61162261075 in words is "sixty-one billion, one hundred sixty-two million, two hundred sixty-one thousand, seventy-five".