6111560551 has 2 divisors, whose sum is σ = 6111560552. Its totient is φ = 6111560550.

The previous prime is 6111560549. The next prime is 6111560569. The reversal of 6111560551 is 1550651116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6111560551 - 2¹ = 6111560549 is a prime.

Together with 6111560549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6111560531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3055780275 + 3055780276.

It is an arithmetic number, because the mean of its divisors is an integer number (3055780276).

Almost surely, 2^6111560551 is an apocalyptic number.

6111560551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6111560551 is an equidigital number, since it uses as much as digits as its factorization.

6111560551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 6111560551 is about 78176.4705713938. The cubic root of 6111560551 is about 1828.3136695458.

The spelling of 6111560551 in words is "six billion, one hundred eleven million, five hundred sixty thousand, five hundred fifty-one".