13752777551 has 2 divisors, whose sum is σ = 13752777552. Its totient is φ = 13752777550.

The previous prime is 13752777463. The next prime is 13752777553. The reversal of 13752777551 is 15577725731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13752777551 is a prime.

Together with 13752777553, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13752777551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13752777553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6876388775 + 6876388776.

It is an arithmetic number, because the mean of its divisors is an integer number (6876388776).

Almost surely, 2^13752777551 is an apocalyptic number.

13752777551 is a deficient number, since it is larger than the sum of its proper divisors (1).

13752777551 is an equidigital number, since it uses as much as digits as its factorization.

13752777551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800750, while the sum is 50.

The spelling of 13752777551 in words is "thirteen billion, seven hundred fifty-two million, seven hundred seventy-seven thousand, five hundred fifty-one".