61306225352200 has 24 divisors (see below), whose sum is σ = 142536973944330. Its totient is φ = 24522490140800.

The previous prime is 61306225352179. The next prime is 61306225352219. The reversal of 61306225352200 is 225352260316.

It can be written as a sum of positive squares in 3 ways, for example, as 43533947096676 + 17772278255524 = 6598026^2 + 4215718^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61306225352200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153265563181 + ... + 153265563580.

Almost surely, 2^{61306225352200} is an apocalyptic number.

It is an amenable number.

61306225352200 is an abundant number, since it is smaller than the sum of its proper divisors (81230748592130).

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

61306225352200 is a wasteful number, since it uses less digits than its factorization.

61306225352200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306531126777 (or 306531126768 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 61306225352200 in words is "sixty-one trillion, three hundred six billion, two hundred twenty-five million, three hundred fifty-two thousand, two hundred".