61265533331244 has 96 divisors (see below), whose sum is σ = 164326217932800. Its totient is φ = 17570002282560.

The previous prime is 61265533331243. The next prime is 61265533331251. The reversal of 61265533331244 is 44213333556216.

It is a junction number, because it is equal to n+sod(n) for n = 61265533331193 and 61265533331202.

It is not an unprimeable number, because it can be changed into a prime (61265533331243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10205604 + ... + 15056075.

It is an arithmetic number, because the mean of its divisors is an integer number (1711731436800).

Almost surely, 2^{61265533331244} is an apocalyptic number.

It is an amenable number.

61265533331244 is an abundant number, since it is smaller than the sum of its proper divisors (103060684601556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61265533331244 is a wasteful number, since it uses less digits than its factorization.

61265533331244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25262683 (or 25262681 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 48.

The spelling of 61265533331244 in words is "sixty-one trillion, two hundred sixty-five billion, five hundred thirty-three million, three hundred thirty-one thousand, two hundred forty-four".