61499325006 has 56 divisors (see below), whose sum is σ = 158068838064. Its totient is φ = 17571232800.

The previous prime is 61499324969. The next prime is 61499325047. The reversal of 61499325006 is 60052399416.

61499325006 is a `hidden beast` number, since 614 + 9 + 9 + 3 + 25 + 0 + 0 + 6 = 666.

61499325006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3002695 + ... + 3023106.

Almost surely, 2^61499325006 is an apocalyptic number.

61499325006 is an abundant number, since it is smaller than the sum of its proper divisors (96569513058).

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

61499325006 is an equidigital number, since it uses as much as digits as its factorization.

61499325006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025828 (or 6025813 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 61499325006 in words is "sixty-one billion, four hundred ninety-nine million, three hundred twenty-five thousand, six".