11143016551 has 2 divisors, whose sum is σ = 11143016552. Its totient is φ = 11143016550.

The previous prime is 11143016543. The next prime is 11143016561. The reversal of 11143016551 is 15561034111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11143016551 - 2³ = 11143016543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11143016561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571508275 + 5571508276.

It is an arithmetic number, because the mean of its divisors is an integer number (5571508276).

Almost surely, 2^11143016551 is an apocalyptic number.

11143016551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143016551 is an equidigital number, since it uses as much as digits as its factorization.

11143016551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 11143016551 in words is "eleven billion, one hundred forty-three million, sixteen thousand, five hundred fifty-one".