61274092308252 has 96 divisors (see below), whose sum is σ = 151860491919360. Its totient is φ = 19187464443840.

The previous prime is 61274092308239. The next prime is 61274092308287. The reversal of 61274092308252 is 25280329047216.

It is a junction number, because it is equal to n+sod(n) for n = 61274092308195 and 61274092308204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15539977 + ... + 19079807.

It is an arithmetic number, because the mean of its divisors is an integer number (1581880124160).

It is a 1-persistent number, because it is pandigital, but 2⋅61274092308252 = 122548184616504 is not.

Almost surely, 2^{61274092308252} 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 61274092308252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75930245959680).

61274092308252 is an abundant number, since it is smaller than the sum of its proper divisors (90586399611108).

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

61274092308252 is a wasteful number, since it uses less digits than its factorization.

61274092308252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540983 (or 3540981 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 61274092308252 in words is "sixty-one trillion, two hundred seventy-four billion, ninety-two million, three hundred eight thousand, two hundred fifty-two".