61150315563315 has 128 divisors (see below), whose sum is σ = 118886406312960. Its totient is φ = 29575748505600.

The previous prime is 61150315563307. The next prime is 61150315563319. The reversal of 61150315563315 is 51336551305116.

It is a happy number.

61150315563315 is a `hidden beast` number, since 6 + 1 + 1 + 5 + 0 + 3 + 1 + 5 + 5 + 633 + 1 + 5 = 666.

It is not a de Polignac number, because 61150315563315 - 2³ = 61150315563307 is a prime.

It is a super-2 number, since 2×61150315563315² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (61150315563319) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1232024739 + ... + 1232074371.

It is an arithmetic number, because the mean of its divisors is an integer number (928800049320).

Almost surely, 2^{61150315563315} is an apocalyptic number.

61150315563315 is a deficient number, since it is larger than the sum of its proper divisors (57736090749645).

61150315563315 is a wasteful number, since it uses less digits than its factorization.

61150315563315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51682 (or 51676 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 45.

The spelling of 61150315563315 in words is "sixty-one trillion, one hundred fifty billion, three hundred fifteen million, five hundred sixty-three thousand, three hundred fifteen".