61445127210 has 128 divisors (see below), whose sum is σ = 159555432960. Its totient is φ = 15097420800.

The previous prime is 61445127179. The next prime is 61445127313. The reversal of 61445127210 is 1272154416.

61445127210 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, 9221280 + ... + 9227940.

It is an arithmetic number, because the mean of its divisors is an integer number (1246526820).

Almost surely, 2^61445127210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61445127210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79777716480).

61445127210 is an abundant number, since it is smaller than the sum of its proper divisors (98110305750).

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

61445127210 is a wasteful number, since it uses less digits than its factorization.

61445127210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7184.

The product of its (nonzero) digits is 13440, while the sum is 33.

The spelling of 61445127210 in words is "sixty-one billion, four hundred forty-five million, one hundred twenty-seven thousand, two hundred ten".