61136050563 has 16 divisors (see below), whose sum is σ = 103510773760. Its totient is φ = 34934885928.

The previous prime is 61136050561. The next prime is 61136050597. The reversal of 61136050563 is 36505063116.

61136050563 is a `hidden beast` number, since 6 + 11 + 36 + 0 + 50 + 563 = 666.

It is not a de Polignac number, because 61136050563 - 2¹ = 61136050561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61136050561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161735395 + ... + 161735772.

It is an arithmetic number, because the mean of its divisors is an integer number (6469423360).

Almost surely, 2^61136050563 is an apocalyptic number.

61136050563 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

61136050563 is a deficient number, since it is larger than the sum of its proper divisors (42374723197).

61136050563 is a wasteful number, since it uses less digits than its factorization.

61136050563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323471183 (or 323471177 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The spelling of 61136050563 in words is "sixty-one billion, one hundred thirty-six million, fifty thousand, five hundred sixty-three".