26431255102 has 32 divisors (see below), whose sum is σ = 47015172288. Its totient is φ = 10907882496.

The previous prime is 26431255027. The next prime is 26431255133. The reversal of 26431255102 is 20155213462.

It is a super-2 number, since 2×26431255102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212773 + ... + 313264.

It is an arithmetic number, because the mean of its divisors is an integer number (1469224134).

Almost surely, 2^26431255102 is an apocalyptic number.

26431255102 is a deficient number, since it is larger than the sum of its proper divisors (20583917186).

26431255102 is a wasteful number, since it uses less digits than its factorization.

26431255102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526180.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 26431255102 its reverse (20155213462), we get a palindrome (46586468564).

The spelling of 26431255102 in words is "twenty-six billion, four hundred thirty-one million, two hundred fifty-five thousand, one hundred two".