61004425600 has 96 divisors (see below), whose sum is σ = 151238523240. Its totient is φ = 24314572800.

The previous prime is 61004425589. The next prime is 61004425619. The reversal of 61004425600 is 652440016.

It is a congruent number.

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, 865279 + ... + 933121.

Almost surely, 2^61004425600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61004425600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75619261620).

61004425600 is an abundant number, since it is smaller than the sum of its proper divisors (90234097640).

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

61004425600 is a wasteful number, since it uses less digits than its factorization.

61004425600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68148 (or 68131 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 61004425600 its reverse (652440016), we get a palindrome (61656865616).

The spelling of 61004425600 in words is "sixty-one billion, four million, four hundred twenty-five thousand, six hundred".