25026375137642 has 16 divisors (see below), whose sum is σ = 39910806622080. Its totient is φ = 11743303180752.

The previous prime is 25026375137639. The next prime is 25026375137671. The reversal of 25026375137642 is 24673157362052.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5132560142 + ... + 5132565017.

It is an arithmetic number, because the mean of its divisors is an integer number (2494425413880).

Almost surely, 2^{25026375137642} is an apocalyptic number.

25026375137642 is a deficient number, since it is larger than the sum of its proper divisors (14884431484438).

25026375137642 is a wasteful number, since it uses less digits than its factorization.

25026375137642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10265125237.

The product of its (nonzero) digits is 12700800, while the sum is 53.

The spelling of 25026375137642 in words is "twenty-five trillion, twenty-six billion, three hundred seventy-five million, one hundred thirty-seven thousand, six hundred forty-two".