25545355615351 has 16 divisors (see below), whose sum is σ = 30240420997248. Its totient is φ = 21273023397600.

The previous prime is 25545355615309. The next prime is 25545355615369. The reversal of 25545355615351 is 15351655354552.

It is not a de Polignac number, because 25545355615351 - 2¹³ = 25545355607159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25545355615292 and 25545355615301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25545355616351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681808941 + ... + 681846406.

It is an arithmetic number, because the mean of its divisors is an integer number (1890026312328).

Almost surely, 2^{25545355615351} is an apocalyptic number.

25545355615351 is a deficient number, since it is larger than the sum of its proper divisors (4695065381897).

25545355615351 is a wasteful number, since it uses less digits than its factorization.

25545355615351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363655502.

The product of its digits is 33750000, while the sum is 55.

The spelling of 25545355615351 in words is "twenty-five trillion, five hundred forty-five billion, three hundred fifty-five million, six hundred fifteen thousand, three hundred fifty-one".