25134210427886 has 16 divisors (see below), whose sum is σ = 43150303131264. Its totient is φ = 10756033155384.

The previous prime is 25134210427877. The next prime is 25134210427889. The reversal of 25134210427886 is 68872401243152.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25134210427889) 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, 1314266240 + ... + 1314285363.

It is an arithmetic number, because the mean of its divisors is an integer number (2696893945704).

Almost surely, 2^{25134210427886} is an apocalyptic number.

25134210427886 is a deficient number, since it is larger than the sum of its proper divisors (18016092703378).

25134210427886 is a wasteful number, since it uses less digits than its factorization.

25134210427886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628552295.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 25134210427886 in words is "twenty-five trillion, one hundred thirty-four billion, two hundred ten million, four hundred twenty-seven thousand, eight hundred eighty-six".