9155255823 has 64 divisors (see below), whose sum is σ = 16696934400. Its totient is φ = 4842620640.

The previous prime is 9155255771. The next prime is 9155255831. The reversal of 9155255823 is 3285525519.

It is a happy number.

9155255823 is a `hidden beast` number, since 9 + 15 + 52 + 5 + 582 + 3 = 666.

It is not a de Polignac number, because 9155255823 - 2¹³ = 9155247631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9155255423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100788 + ... + 168726.

It is an arithmetic number, because the mean of its divisors is an integer number (260889600).

Almost surely, 2^9155255823 is an apocalyptic number.

9155255823 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

9155255823 is a deficient number, since it is larger than the sum of its proper divisors (7541678577).

9155255823 is a wasteful number, since it uses less digits than its factorization.

9155255823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68009 (or 68003 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The square root of 9155255823 is about 95683.1010314779. The cubic root of 9155255823 is about 2091.9766273695.

The spelling of 9155255823 in words is "nine billion, one hundred fifty-five million, two hundred fifty-five thousand, eight hundred twenty-three".