61096574915781 has 8 divisors (see below), whose sum is σ = 81462512338944. Its totient is φ = 40730843718240.

The previous prime is 61096574915777. The next prime is 61096574915809. The reversal of 61096574915781 is 18751947569016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61096574915781 - 2² = 61096574915777 is a prime.

It is a super-2 number, since 2×61096574915781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61096574915771) 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, 50863800 + ... + 52051121.

It is an arithmetic number, because the mean of its divisors is an integer number (10182814042368).

Almost surely, 2^{61096574915781} is an apocalyptic number.

It is an amenable number.

61096574915781 is a deficient number, since it is larger than the sum of its proper divisors (20365937423163).

61096574915781 is a wasteful number, since it uses less digits than its factorization.

61096574915781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103112811.

The product of its (nonzero) digits is 114307200, while the sum is 69.

The spelling of 61096574915781 in words is "sixty-one trillion, ninety-six billion, five hundred seventy-four million, nine hundred fifteen thousand, seven hundred eighty-one".