15655355851 has 2 divisors, whose sum is σ = 15655355852. Its totient is φ = 15655355850.

The previous prime is 15655355813. The next prime is 15655355857. The reversal of 15655355851 is 15855355651.

15655355851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15655355851 - 2²³ = 15646967243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15655355795 and 15655355804.

It is not a weakly prime, because it can be changed into another prime (15655355857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7827677925 + 7827677926.

It is an arithmetic number, because the mean of its divisors is an integer number (7827677926).

Almost surely, 2^15655355851 is an apocalyptic number.

15655355851 is a deficient number, since it is larger than the sum of its proper divisors (1).

15655355851 is an equidigital number, since it uses as much as digits as its factorization.

15655355851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2250000, while the sum is 49.

The spelling of 15655355851 in words is "fifteen billion, six hundred fifty-five million, three hundred fifty-five thousand, eight hundred fifty-one".