15255305143 has 12 divisors (see below), whose sum is σ = 17338977768. Its totient is φ = 13340667600.

The previous prime is 15255305129. The next prime is 15255305171. The reversal of 15255305143 is 34150355251.

It is not a de Polignac number, because 15255305143 - 2²⁵ = 15221750711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15255305099 and 15255305108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15255305123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1620633 + ... + 1630018.

It is an arithmetic number, because the mean of its divisors is an integer number (1444914814).

Almost surely, 2^15255305143 is an apocalyptic number.

15255305143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15255305143 is a deficient number, since it is larger than the sum of its proper divisors (2083672625).

15255305143 is a wasteful number, since it uses less digits than its factorization.

15255305143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250702 (or 3250683 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 15255305143 in words is "fifteen billion, two hundred fifty-five million, three hundred five thousand, one hundred forty-three".