61154695711 has 2 divisors, whose sum is σ = 61154695712. Its totient is φ = 61154695710.

The previous prime is 61154695703. The next prime is 61154695769. The reversal of 61154695711 is 11759645116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61154695711 - 2³ = 61154695703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61154095711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30577347855 + 30577347856.

It is an arithmetic number, because the mean of its divisors is an integer number (30577347856).

Almost surely, 2^61154695711 is an apocalyptic number.

61154695711 is a deficient number, since it is larger than the sum of its proper divisors (1).

61154695711 is an equidigital number, since it uses as much as digits as its factorization.

61154695711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 46.

The spelling of 61154695711 in words is "sixty-one billion, one hundred fifty-four million, six hundred ninety-five thousand, seven hundred eleven".