61265366461 has 8 divisors (see below), whose sum is σ = 65982591360. Its totient is φ = 56548785072.

The previous prime is 61265366441. The next prime is 61265366467. The reversal of 61265366461 is 16466356216.

It is a happy number.

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

It is not a de Polignac number, because 61265366461 - 2⁷ = 61265366333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61265366467) 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, 46800 + ... + 353158.

It is an arithmetic number, because the mean of its divisors is an integer number (8247823920).

Almost surely, 2^61265366461 is an apocalyptic number.

It is an amenable number.

61265366461 is a deficient number, since it is larger than the sum of its proper divisors (4717224899).

61265366461 is a wasteful number, since it uses less digits than its factorization.

61265366461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321755.

The product of its digits is 933120, while the sum is 46.

The spelling of 61265366461 in words is "sixty-one billion, two hundred sixty-five million, three hundred sixty-six thousand, four hundred sixty-one".