25551373815287 has 8 divisors (see below), whose sum is σ = 26900081664000. Its totient is φ = 24203055836664.

The previous prime is 25551373815269. The next prime is 25551373815293. The reversal of 25551373815287 is 78251837315552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25551373815287 - 2¹² = 25551373811191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25551373815257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97332983 + ... + 97595144.

It is an arithmetic number, because the mean of its divisors is an integer number (3362510208000).

Almost surely, 2^{25551373815287} is an apocalyptic number.

25551373815287 is a deficient number, since it is larger than the sum of its proper divisors (1348707848713).

25551373815287 is a wasteful number, since it uses less digits than its factorization.

25551373815287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194935045.

The product of its digits is 70560000, while the sum is 62.

The spelling of 25551373815287 in words is "twenty-five trillion, five hundred fifty-one billion, three hundred seventy-three million, eight hundred fifteen thousand, two hundred eighty-seven".