11551516830377 has 2 divisors, whose sum is σ = 11551516830378. Its totient is φ = 11551516830376.

The previous prime is 11551516830277. The next prime is 11551516830479. The reversal of 11551516830377 is 77303861515511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8002471530496 + 3549045299881 = 2828864^2 + 1883891^2 .

It is a cyclic number.

It is not a de Polignac number, because 11551516830377 - 2¹⁰ = 11551516829353 is a prime.

It is not a weakly prime, because it can be changed into another prime (11551516830277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775758415188 + 5775758415189.

It is an arithmetic number, because the mean of its divisors is an integer number (5775758415189).

Almost surely, 2^{11551516830377} is an apocalyptic number.

It is an amenable number.

11551516830377 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551516830377 is an equidigital number, since it uses as much as digits as its factorization.

11551516830377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646000, while the sum is 53.

The spelling of 11551516830377 in words is "eleven trillion, five hundred fifty-one billion, five hundred sixteen million, eight hundred thirty thousand, three hundred seventy-seven".