61255525356 has 36 divisors (see below), whose sum is σ = 154847942704. Its totient is φ = 20417508000.

The previous prime is 61255525327. The next prime is 61255525393. The reversal of 61255525356 is 65352555216.

61255525356 is a `hidden beast` number, since 6 + 12 + 55 + 52 + 535 + 6 = 666.

61255525356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1260306 + ... + 1308006.

Almost surely, 2^61255525356 is an apocalyptic number.

It is an amenable number.

61255525356 is an abundant number, since it is smaller than the sum of its proper divisors (93592417348).

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

61255525356 is a wasteful number, since it uses less digits than its factorization.

61255525356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83382 (or 83377 counting only the distinct ones).

The product of its digits is 1350000, while the sum is 45.

The spelling of 61255525356 in words is "sixty-one billion, two hundred fifty-five million, five hundred twenty-five thousand, three hundred fifty-six".