15140421255 has 32 divisors (see below), whose sum is σ = 26764867584. Its totient is φ = 7269464576.

The previous prime is 15140421229. The next prime is 15140421259. The reversal of 15140421255 is 55212404151.

It is a cyclic number.

It is not a de Polignac number, because 15140421255 - 2²⁵ = 15106866823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15140421259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1284879 + ... + 1296608.

It is an arithmetic number, because the mean of its divisors is an integer number (836402112).

Almost surely, 2^15140421255 is an apocalyptic number.

15140421255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15140421255 is a deficient number, since it is larger than the sum of its proper divisors (11624446329).

15140421255 is a wasteful number, since it uses less digits than its factorization.

15140421255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581535.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 15140421255 in words is "fifteen billion, one hundred forty million, four hundred twenty-one thousand, two hundred fifty-five".