25551451115441 has 4 divisors (see below), whose sum is σ = 25553106124800. Its totient is φ = 25549796106084.

The previous prime is 25551451115429. The next prime is 25551451115497. The reversal of 25551451115441 is 14451115415552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25551451115441 is a prime.

It is a super-3 number, since 3×25551451115441³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25551451115392 and 25551451115401.

It is not an unprimeable number, because it can be changed into a prime (25551451115401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827481521 + ... + 827512398.

It is an arithmetic number, because the mean of its divisors is an integer number (6388276531200).

Almost surely, 2^{25551451115441} is an apocalyptic number.

It is an amenable number.

25551451115441 is a deficient number, since it is larger than the sum of its proper divisors (1655009359).

25551451115441 is a wasteful number, since it uses less digits than its factorization.

25551451115441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655009358.

The product of its digits is 400000, while the sum is 44.

The spelling of 25551451115441 in words is "twenty-five trillion, five hundred fifty-one billion, four hundred fifty-one million, one hundred fifteen thousand, four hundred forty-one".