26315620551542 has 16 divisors (see below), whose sum is σ = 45113012385792. Its totient is φ = 11277993090600.

The previous prime is 26315620551541. The next prime is 26315620551547. The reversal of 26315620551542 is 24515502651362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26315620551541) 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, 9570584 + ... + 12009467.

It is an arithmetic number, because the mean of its divisors is an integer number (2819563274112).

Almost surely, 2^{26315620551542} is an apocalyptic number.

26315620551542 is a deficient number, since it is larger than the sum of its proper divisors (18797391834250).

26315620551542 is a wasteful number, since it uses less digits than its factorization.

26315620551542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21667163.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 26315620551542 in words is "twenty-six trillion, three hundred fifteen billion, six hundred twenty million, five hundred fifty-one thousand, five hundred forty-two".