61250603265 has 12 divisors (see below), whose sum is σ = 106167712404. Its totient is φ = 32666988384.

The previous prime is 61250603231. The next prime is 61250603269. The reversal of 61250603265 is 56230605216.

It is a happy number.

61250603265 is a `hidden beast` number, since 6 + 1 + 25 + 0 + 603 + 26 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31708212624 + 29542390641 = 178068^2 + 171879^2 .

It is not a de Polignac number, because 61250603265 - 2⁶ = 61250603201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61250603269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 680562214 + ... + 680562303.

It is an arithmetic number, because the mean of its divisors is an integer number (8847309367).

Almost surely, 2^61250603265 is an apocalyptic number.

It is an amenable number.

61250603265 is a deficient number, since it is larger than the sum of its proper divisors (44917109139).

61250603265 is a wasteful number, since it uses less digits than its factorization.

61250603265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361124528 (or 1361124525 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 61250603265 in words is "sixty-one billion, two hundred fifty million, six hundred three thousand, two hundred sixty-five".