61252260210 has 128 divisors (see below), whose sum is σ = 174565290240. Its totient is φ = 15229320192.

The previous prime is 61252260197. The next prime is 61252260217. The reversal of 61252260210 is 1206225216.

61252260210 is a `hidden beast` number, since 6 + 1 + 2 + 52 + 2 + 602 + 1 + 0 = 666.

61252260210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61252260217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 428772 + ... + 553488.

It is an arithmetic number, because the mean of its divisors is an integer number (1363791330).

Almost surely, 2^61252260210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61252260210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87282645120).

61252260210 is an abundant number, since it is smaller than the sum of its proper divisors (113313030030).

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

61252260210 is a wasteful number, since it uses less digits than its factorization.

61252260210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124857 (or 124851 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 61252260210 its reverse (1206225216), we get a palindrome (62458485426).

The spelling of 61252260210 in words is "sixty-one billion, two hundred fifty-two million, two hundred sixty thousand, two hundred ten".