51252153235602 has 128 divisors (see below), whose sum is σ = 113102825472000. Its totient is φ = 15353731103040.

The previous prime is 51252153235589. The next prime is 51252153235637. The reversal of 51252153235602 is 20653235125215.

It is a super-2 number, since 2×51252153235602² (a number of 28 digits) contains 22 as substring.

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, 14647655649 + ... + 14647659147.

It is an arithmetic number, because the mean of its divisors is an integer number (883615824000).

Almost surely, 2^{51252153235602} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51252153235602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56551412736000).

51252153235602 is an abundant number, since it is smaller than the sum of its proper divisors (61850672236398).

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

51252153235602 is a wasteful number, since it uses less digits than its factorization.

51252153235602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6708.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 51252153235602 in words is "fifty-one trillion, two hundred fifty-two billion, one hundred fifty-three million, two hundred thirty-five thousand, six hundred two".