61054638711 has 24 divisors (see below), whose sum is σ = 89498528112. Its totient is φ = 36994953600.

The previous prime is 61054638709. The next prime is 61054638721. The reversal of 61054638711 is 11783645016.

It is not a de Polignac number, because 61054638711 - 2¹ = 61054638709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61054638721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2010835 + ... + 2040971.

It is an arithmetic number, because the mean of its divisors is an integer number (3729105338).

Almost surely, 2^61054638711 is an apocalyptic number.

61054638711 is a deficient number, since it is larger than the sum of its proper divisors (28443889401).

61054638711 is a wasteful number, since it uses less digits than its factorization.

61054638711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35743 (or 35732 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 61054638711 in words is "sixty-one billion, fifty-four million, six hundred thirty-eight thousand, seven hundred eleven".