15230241021 has 16 divisors (see below), whose sum is σ = 20383372800. Its totient is φ = 10115339520.

The previous prime is 15230241011. The next prime is 15230241023. The reversal of 15230241021 is 12014203251.

It is not a de Polignac number, because 15230241021 - 2¹¹ = 15230238973 is a prime.

It is a super-2 number, since 2×15230241021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15230241023) 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 15 ways as a sum of consecutive naturals, for example, 2249281 + ... + 2256041.

It is an arithmetic number, because the mean of its divisors is an integer number (1273960800).

Almost surely, 2^15230241021 is an apocalyptic number.

It is an amenable number.

15230241021 is a deficient number, since it is larger than the sum of its proper divisors (5153131779).

15230241021 is a wasteful number, since it uses less digits than its factorization.

15230241021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 15230241021 its reverse (12014203251), we get a palindrome (27244444272).

The spelling of 15230241021 in words is "fifteen billion, two hundred thirty million, two hundred forty-one thousand, twenty-one".