61515050105632 has 24 divisors (see below), whose sum is σ = 121108064017500. Its totient is φ = 30757446545664.

The previous prime is 61515050105623. The next prime is 61515050105647. The reversal of 61515050105632 is 23650105051516.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57570520450576 + 3944529655056 = 7587524^2 + 1986084^2 .

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, 11500494 + ... + 15977842.

Almost surely, 2^{61515050105632} is an apocalyptic number.

It is an amenable number.

61515050105632 is a deficient number, since it is larger than the sum of its proper divisors (59593013911868).

61515050105632 is a wasteful number, since it uses less digits than its factorization.

61515050105632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906708 (or 4906700 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 61515050105632 in words is "sixty-one trillion, five hundred fifteen billion, fifty million, one hundred five thousand, six hundred thirty-two".