13260662551 has 4 divisors (see below), whose sum is σ = 13271705104. Its totient is φ = 13249620000.

The previous prime is 13260662537. The next prime is 13260662563. The reversal of 13260662551 is 15526606231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15526606231 = 1951 ⋅7958281.

It is a cyclic number.

It is not a de Polignac number, because 13260662551 - 2¹³ = 13260654359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13260662551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13260662521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5519475 + ... + 5521876.

It is an arithmetic number, because the mean of its divisors is an integer number (3317926276).

Almost surely, 2^13260662551 is an apocalyptic number.

13260662551 is a deficient number, since it is larger than the sum of its proper divisors (11042553).

13260662551 is a wasteful number, since it uses less digits than its factorization.

13260662551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11042552.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 13260662551 in words is "thirteen billion, two hundred sixty million, six hundred sixty-two thousand, five hundred fifty-one".