61252365312 has 264 divisors, whose sum is σ = 188891264640. Its totient is φ = 19074908160.

The previous prime is 61252365299. The next prime is 61252365323. The reversal of 61252365312 is 21356325216.

61252365312 is a `hidden beast` number, since 61 + 2 + 523 + 65 + 3 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8281488 + ... + 8288880.

Almost surely, 2^61252365312 is an apocalyptic number.

61252365312 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61252365312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94445632320).

61252365312 is an abundant number, since it is smaller than the sum of its proper divisors (127638899328).

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

61252365312 is a wasteful number, since it uses less digits than its factorization.

61252365312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7479 (or 7458 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The spelling of 61252365312 in words is "sixty-one billion, two hundred fifty-two million, three hundred sixty-five thousand, three hundred twelve".