61505005495 has 32 divisors (see below), whose sum is σ = 75926435904. Its totient is φ = 47803392000.

The previous prime is 61505005477. The next prime is 61505005531. The reversal of 61505005495 is 59450050516.

It is not a de Polignac number, because 61505005495 - 2²⁷ = 61370787767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51210895 + ... + 51212095.

It is an arithmetic number, because the mean of its divisors is an integer number (2372701122).

Almost surely, 2^61505005495 is an apocalyptic number.

61505005495 is a deficient number, since it is larger than the sum of its proper divisors (14421430409).

61505005495 is a wasteful number, since it uses less digits than its factorization.

61505005495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 61505005495 in words is "sixty-one billion, five hundred five million, five thousand, four hundred ninety-five".