25151678890055 has 32 divisors (see below), whose sum is σ = 31694976867840. Its totient is φ = 19143535178880.

The previous prime is 25151678890027. The next prime is 25151678890057. The reversal of 25151678890055 is 55009887615152.

It is not a de Polignac number, because 25151678890055 - 2⁴² = 20753632378951 is a prime.

It is a super-3 number, since 3×25151678890055³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25151678890055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25151678890057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7958765 + ... + 10660454.

It is an arithmetic number, because the mean of its divisors is an integer number (990468027120).

Almost surely, 2^{25151678890055} is an apocalyptic number.

25151678890055 is a deficient number, since it is larger than the sum of its proper divisors (6543297977785).

25151678890055 is a wasteful number, since it uses less digits than its factorization.

25151678890055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18619431.

The product of its (nonzero) digits is 30240000, while the sum is 62.

The spelling of 25151678890055 in words is "twenty-five trillion, one hundred fifty-one billion, six hundred seventy-eight million, eight hundred ninety thousand, fifty-five".