26587155063 has 16 divisors (see below), whose sum is σ = 40573980416. Its totient is φ = 15170077440.

The previous prime is 26587155047. The next prime is 26587155121. The reversal of 26587155063 is 36055178562.

It is not a de Polignac number, because 26587155063 - 2⁴ = 26587155047 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26587155163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926473 + ... + 954738.

It is an arithmetic number, because the mean of its divisors is an integer number (2535873776).

Almost surely, 2^26587155063 is an apocalyptic number.

26587155063 is a deficient number, since it is larger than the sum of its proper divisors (13986825353).

26587155063 is a wasteful number, since it uses less digits than its factorization.

26587155063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881894.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 26587155063 in words is "twenty-six billion, five hundred eighty-seven million, one hundred fifty-five thousand, sixty-three".