26487220631255 has 16 divisors (see below), whose sum is σ = 32404654187424. Its totient is φ = 20776950929280.

The previous prime is 26487220631251. The next prime is 26487220631303. The reversal of 26487220631255 is 55213602278462.

It is not a de Polignac number, because 26487220631255 - 2² = 26487220631251 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26487220631197 and 26487220631206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26487220631251) 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, 30870401 + ... + 31716810.

It is an arithmetic number, because the mean of its divisors is an integer number (2025290886714).

Almost surely, 2^{26487220631255} is an apocalyptic number.

26487220631255 is a deficient number, since it is larger than the sum of its proper divisors (5917433556169).

26487220631255 is a wasteful number, since it uses less digits than its factorization.

26487220631255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62588866.

The product of its (nonzero) digits is 9676800, while the sum is 53.

The spelling of 26487220631255 in words is "twenty-six trillion, four hundred eighty-seven billion, two hundred twenty million, six hundred thirty-one thousand, two hundred fifty-five".