61176874651 has 2 divisors, whose sum is σ = 61176874652. Its totient is φ = 61176874650.

The previous prime is 61176874631. The next prime is 61176874727. The reversal of 61176874651 is 15647867116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61176874651 - 2¹⁹ = 61176350363 is a prime.

It is not a weakly prime, because it can be changed into another prime (61176874621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30588437325 + 30588437326.

It is an arithmetic number, because the mean of its divisors is an integer number (30588437326).

Almost surely, 2^61176874651 is an apocalyptic number.

61176874651 is a deficient number, since it is larger than the sum of its proper divisors (1).

61176874651 is an equidigital number, since it uses as much as digits as its factorization.

61176874651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The spelling of 61176874651 in words is "sixty-one billion, one hundred seventy-six million, eight hundred seventy-four thousand, six hundred fifty-one".