61885413898002 has 24 divisors (see below), whose sum is σ = 134225761345884. Its totient is φ = 20606825468544.

The previous prime is 61885413897943. The next prime is 61885413898027. The reversal of 61885413898002 is 20089831458816.

61885413898002 is a `hidden beast` number, since 6 + 1 + 8 + 8 + 541 + 3 + 8 + 9 + 80 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59417595974961 + 2467817923041 = 7708281^2 + 1570929^2 .

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1803801603 + ... + 1803835910.

Almost surely, 2^{61885413898002} is an apocalyptic number.

61885413898002 is an abundant number, since it is smaller than the sum of its proper divisors (72340347447882).

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

61885413898002 is a wasteful number, since it uses less digits than its factorization.

61885413898002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607638474 (or 3607638471 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 63.

The spelling of 61885413898002 in words is "sixty-one trillion, eight hundred eighty-five billion, four hundred thirteen million, eight hundred ninety-eight thousand, two".