61452518610 has 128 divisors (see below), whose sum is σ = 175265316864. Its totient is φ = 13493767680.

The previous prime is 61452518609. The next prime is 61452518623. The reversal of 61452518610 is 1681525416.

61452518610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 857419 + ... + 926321.

It is an arithmetic number, because the mean of its divisors is an integer number (1369260288).

Almost surely, 2^61452518610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61452518610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87632658432).

61452518610 is an abundant number, since it is smaller than the sum of its proper divisors (113812798254).

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

61452518610 is a wasteful number, since it uses less digits than its factorization.

61452518610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69088.

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 61452518610 in words is "sixty-one billion, four hundred fifty-two million, five hundred eighteen thousand, six hundred ten".