49800561265 has 24 divisors (see below), whose sum is σ = 74865024360. Its totient is φ = 31522111488.

The previous prime is 49800561221. The next prime is 49800561313. The reversal of 49800561265 is 56216500894.

It can be written as a sum of positive squares in 4 ways, for example, as 1393080976 + 48407480289 = 37324^2 + 220017^2 .

It is not a de Polignac number, because 49800561265 - 2¹³ = 49800553073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7814800 + ... + 7821169.

It is an arithmetic number, because the mean of its divisors is an integer number (3119376015).

Almost surely, 2^49800561265 is an apocalyptic number.

It is an amenable number.

49800561265 is a deficient number, since it is larger than the sum of its proper divisors (25064463095).

49800561265 is a wasteful number, since it uses less digits than its factorization.

49800561265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15636001 (or 15635994 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

It can be divided in two parts, 49800 and 561265, that added together give a triangular number (611065 = T₁₁₀₅).

The spelling of 49800561265 in words is "forty-nine billion, eight hundred million, five hundred sixty-one thousand, two hundred sixty-five".