42366251516265 has 48 divisors (see below), whose sum is σ = 74151989608320. Its totient is φ = 22374696303360.

The previous prime is 42366251516257. The next prime is 42366251516291. The reversal of 42366251516265 is 56261515266324.

42366251516265 is a `hidden beast` number, since 4 + 2 + 3 + 6 + 6 + 2 + 5 + 1 + 5 + 1 + 626 + 5 = 666.

It is not a de Polignac number, because 42366251516265 - 2³ = 42366251516257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84705570 + ... + 85204260.

It is an arithmetic number, because the mean of its divisors is an integer number (1544833116840).

Almost surely, 2^{42366251516265} is an apocalyptic number.

42366251516265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42366251516265 is a deficient number, since it is larger than the sum of its proper divisors (31785738092055).

42366251516265 is a wasteful number, since it uses less digits than its factorization.

42366251516265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517134 (or 517131 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 54.

The spelling of 42366251516265 in words is "forty-two trillion, three hundred sixty-six billion, two hundred fifty-one million, five hundred sixteen thousand, two hundred sixty-five".