15356857155 has 16 divisors (see below), whose sum is σ = 24824282784. Its totient is φ = 8105886720.

The previous prime is 15356857121. The next prime is 15356857223. The reversal of 15356857155 is 55175865351.

15356857155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15356857155 - 2²⁷ = 15222639427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15356857098 and 15356857107.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5275816 + ... + 5278725.

It is an arithmetic number, because the mean of its divisors is an integer number (1551517674).

Almost surely, 2^15356857155 is an apocalyptic number.

15356857155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15356857155 is a deficient number, since it is larger than the sum of its proper divisors (9467425629).

15356857155 is a wasteful number, since it uses less digits than its factorization.

15356857155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10554646.

The product of its digits is 3150000, while the sum is 51.

The spelling of 15356857155 in words is "fifteen billion, three hundred fifty-six million, eight hundred fifty-seven thousand, one hundred fifty-five".