13259855551 has 16 divisors (see below), whose sum is σ = 14389861248. Its totient is φ = 12169062400.

The previous prime is 13259855461. The next prime is 13259855593. The reversal of 13259855551 is 15555895231.

It is not a de Polignac number, because 13259855551 - 2¹⁷ = 13259724479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13259855495 and 13259855504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13259855351) 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, 1768731 + ... + 1776211.

It is an arithmetic number, because the mean of its divisors is an integer number (899366328).

Almost surely, 2^13259855551 is an apocalyptic number.

13259855551 is a deficient number, since it is larger than the sum of its proper divisors (1130005697).

13259855551 is a wasteful number, since it uses less digits than its factorization.

13259855551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10082.

The product of its digits is 1350000, while the sum is 49.

The spelling of 13259855551 in words is "thirteen billion, two hundred fifty-nine million, eight hundred fifty-five thousand, five hundred fifty-one".