13245544554231 has 16 divisors (see below), whose sum is σ = 19298303635968. Its totient is φ = 8014245672000.

The previous prime is 13245544554223. The next prime is 13245544554239.

It is a happy number.

13245544554231 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (13245544554223) and next prime (13245544554239).

It is not a de Polignac number, because 13245544554231 - 2³ = 13245544554223 is a prime.

It is a super-2 number, since 2×13245544554231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13245544554239) 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, 333907071 + ... + 333946736.

It is an arithmetic number, because the mean of its divisors is an integer number (1206143977248).

Almost surely, 2^{13245544554231} is an apocalyptic number.

13245544554231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13245544554231 is a deficient number, since it is larger than the sum of its proper divisors (6052759081737).

13245544554231 is a wasteful number, since it uses less digits than its factorization.

13245544554231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667854422.

The product of its digits is 5760000, while the sum is 48.

It can be divided in two parts, 1324554 and 4554231, that added together give a palindrome (5878785).

The spelling of 13245544554231 in words is "thirteen trillion, two hundred forty-five billion, five hundred forty-four million, five hundred fifty-four thousand, two hundred thirty-one".