25111661354363 has 16 divisors (see below), whose sum is σ = 26361598848000. Its totient is φ = 23889690871200.

The previous prime is 25111661354347. The next prime is 25111661354371. The reversal of 25111661354363 is 36345316611152.

It is a cyclic number.

It is not a de Polignac number, because 25111661354363 - 2⁴ = 25111661354347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25111661354863) 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, 20528663 + ... + 21717488.

It is an arithmetic number, because the mean of its divisors is an integer number (1647599928000).

Almost surely, 2^{25111661354363} is an apocalyptic number.

25111661354363 is a deficient number, since it is larger than the sum of its proper divisors (1249937493637).

25111661354363 is a wasteful number, since it uses less digits than its factorization.

25111661354363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42246482.

The product of its digits is 1166400, while the sum is 47.

The spelling of 25111661354363 in words is "twenty-five trillion, one hundred eleven billion, six hundred sixty-one million, three hundred fifty-four thousand, three hundred sixty-three".