11655578354851 has 2 divisors, whose sum is σ = 11655578354852. Its totient is φ = 11655578354850.

The previous prime is 11655578354741. The next prime is 11655578354867. The reversal of 11655578354851 is 15845387555611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11655578354851 is a prime.

It is a super-2 number, since 2×11655578354851² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11655578354051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827789177425 + 5827789177426.

It is an arithmetic number, because the mean of its divisors is an integer number (5827789177426).

Almost surely, 2^{11655578354851} is an apocalyptic number.

11655578354851 is a deficient number, since it is larger than the sum of its proper divisors (1).

11655578354851 is an equidigital number, since it uses as much as digits as its factorization.

11655578354851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800000, while the sum is 64.

The spelling of 11655578354851 in words is "eleven trillion, six hundred fifty-five billion, five hundred seventy-eight million, three hundred fifty-four thousand, eight hundred fifty-one".