38961465089156 has 12 divisors (see below), whose sum is σ = 68885476936668. Its totient is φ = 19279900250112.

The previous prime is 38961465089093. The next prime is 38961465089177. The reversal of 38961465089156 is 65198056416983.

It can be written as a sum of positive squares in 2 ways, for example, as 31733325298756 + 7228139790400 = 5633234^2 + 2688520^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38961465089156.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50208073181 + ... + 50208073956.

It is an arithmetic number, because the mean of its divisors is an integer number (5740456411389).

Almost surely, 2^{38961465089156} is an apocalyptic number.

It is an amenable number.

38961465089156 is a deficient number, since it is larger than the sum of its proper divisors (29924011847512).

38961465089156 is a wasteful number, since it uses less digits than its factorization.

38961465089156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100416147238 (or 100416147236 counting only the distinct ones).

The product of its (nonzero) digits is 335923200, while the sum is 71.

The spelling of 38961465089156 in words is "thirty-eight trillion, nine hundred sixty-one billion, four hundred sixty-five million, eighty-nine thousand, one hundred fifty-six".