25815226094 has 16 divisors (see below), whose sum is σ = 44915192448. Its totient is φ = 10898538552.

The previous prime is 25815226093. The next prime is 25815226097. The reversal of 25815226094 is 49062251852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25815226091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13759844 + ... + 13761719.

It is an arithmetic number, because the mean of its divisors is an integer number (2807199528).

Almost surely, 2^25815226094 is an apocalyptic number.

25815226094 is a deficient number, since it is larger than the sum of its proper divisors (19099966354).

25815226094 is a wasteful number, since it uses less digits than its factorization.

25815226094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27521639.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 25815226094 in words is "twenty-five billion, eight hundred fifteen million, two hundred twenty-six thousand, ninety-four".