15230240655 has 32 divisors (see below), whose sum is σ = 27953164800. Its totient is φ = 6936500352.

The previous prime is 15230240651. The next prime is 15230240659. The reversal of 15230240655 is 55604203251.

It is an interprime number because it is at equal distance from previous prime (15230240651) and next prime (15230240659).

It is not a de Polignac number, because 15230240655 - 2² = 15230240651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15230240651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241365 + ... + 297854.

It is an arithmetic number, because the mean of its divisors is an integer number (873536400).

Almost surely, 2^15230240655 is an apocalyptic number.

15230240655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15230240655 is a deficient number, since it is larger than the sum of its proper divisors (12722924145).

15230240655 is a wasteful number, since it uses less digits than its factorization.

15230240655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539503.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 15230240655 in words is "fifteen billion, two hundred thirty million, two hundred forty thousand, six hundred fifty-five".