61335199252 has 24 divisors (see below), whose sum is σ = 107989088256. Its totient is φ = 30481279968.

The previous prime is 61335199241. The next prime is 61335199267. The reversal of 61335199252 is 25299153316.

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, 2733993 + ... + 2756335.

It is an arithmetic number, because the mean of its divisors is an integer number (4499545344).

Almost surely, 2^61335199252 is an apocalyptic number.

It is an amenable number.

61335199252 is a deficient number, since it is larger than the sum of its proper divisors (46653889004).

61335199252 is a wasteful number, since it uses less digits than its factorization.

61335199252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26487 (or 26485 counting only the distinct ones).

The product of its digits is 437400, while the sum is 46.

The spelling of 61335199252 in words is "sixty-one billion, three hundred thirty-five million, one hundred ninety-nine thousand, two hundred fifty-two".