25105501161652 has 6 divisors (see below), whose sum is σ = 43934627032898. Its totient is φ = 12552750580824.

The previous prime is 25105501161613. The next prime is 25105501161703. The reversal of 25105501161652 is 25616110550152.

It can be written as a sum of positive squares in only one way, i.e., 16880971953316 + 8224529208336 = 4108646^2 + 2867844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3138187645203 + ... + 3138187645210.

Almost surely, 2^{25105501161652} is an apocalyptic number.

It is an amenable number.

25105501161652 is a deficient number, since it is larger than the sum of its proper divisors (18829125871246).

25105501161652 is a wasteful number, since it uses less digits than its factorization.

25105501161652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276375290417 (or 6276375290415 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 40.

The spelling of 25105501161652 in words is "twenty-five trillion, one hundred five billion, five hundred one million, one hundred sixty-one thousand, six hundred fifty-two".