11761455551 has 2 divisors, whose sum is σ = 11761455552. Its totient is φ = 11761455550.

The previous prime is 11761455539. The next prime is 11761455577. The reversal of 11761455551 is 15555416711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11761455551 - 2¹⁰ = 11761454527 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11761455499 and 11761455508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11761455581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5880727775 + 5880727776.

It is an arithmetic number, because the mean of its divisors is an integer number (5880727776).

Almost surely, 2^11761455551 is an apocalyptic number.

11761455551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11761455551 is an equidigital number, since it uses as much as digits as its factorization.

11761455551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105000, while the sum is 41.

The spelling of 11761455551 in words is "eleven billion, seven hundred sixty-one million, four hundred fifty-five thousand, five hundred fifty-one".