61263565356 has 72 divisors (see below), whose sum is σ = 168001273776. Its totient is φ = 17323407360.

The previous prime is 61263565343. The next prime is 61263565393. The reversal of 61263565356 is 65356536216.

61263565356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 480025 + ... + 594096.

Almost surely, 2^61263565356 is an apocalyptic number.

It is an amenable number.

61263565356 is an abundant number, since it is smaller than the sum of its proper divisors (106737708420).

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

61263565356 is a wasteful number, since it uses less digits than its factorization.

61263565356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074239 (or 1074230 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 48.

The spelling of 61263565356 in words is "sixty-one billion, two hundred sixty-three million, five hundred sixty-five thousand, three hundred fifty-six".