61895802552 has 32 divisors (see below), whose sum is σ = 159731105280. Its totient is φ = 19966387680.

The previous prime is 61895802533. The next prime is 61895802569. The reversal of 61895802552 is 25520859816.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61895802495 and 61895802504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41595898 + ... + 41597385.

It is an arithmetic number, because the mean of its divisors is an integer number (4991597040).

Almost surely, 2^61895802552 is an apocalyptic number.

61895802552 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61895802552 is an abundant number, since it is smaller than the sum of its proper divisors (97835302728).

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

61895802552 is a wasteful number, since it uses less digits than its factorization.

61895802552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83193323 (or 83193319 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 51.

The spelling of 61895802552 in words is "sixty-one billion, eight hundred ninety-five million, eight hundred two thousand, five hundred fifty-two".