25148916881463 has 16 divisors (see below), whose sum is σ = 34777608369152. Its totient is φ = 16148211408000.

The previous prime is 25148916881443. The next prime is 25148916881479. The reversal of 25148916881463 is 36418861984152.

It is not a de Polignac number, because 25148916881463 - 2¹³ = 25148916873271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25148916881394 and 25148916881403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25148916881423) 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, 640782418 + ... + 640821663.

It is an arithmetic number, because the mean of its divisors is an integer number (2173600523072).

Almost surely, 2^{25148916881463} is an apocalyptic number.

25148916881463 is a deficient number, since it is larger than the sum of its proper divisors (9628691487689).

25148916881463 is a wasteful number, since it uses less digits than its factorization.

25148916881463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281604326.

The product of its digits is 79626240, while the sum is 66.

The spelling of 25148916881463 in words is "twenty-five trillion, one hundred forty-eight billion, nine hundred sixteen million, eight hundred eighty-one thousand, four hundred sixty-three".