15152430121 has 2 divisors, whose sum is σ = 15152430122. Its totient is φ = 15152430120.

The previous prime is 15152430119. The next prime is 15152430131. The reversal of 15152430121 is 12103425151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10031024025 + 5121406096 = 100155^2 + 71564^2 .

It is a cyclic number.

It is not a de Polignac number, because 15152430121 - 2¹ = 15152430119 is a prime.

It is a super-2 number, since 2×15152430121² (a number of 21 digits) contains 22 as substring.

Together with 15152430119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15152430131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7576215060 + 7576215061.

It is an arithmetic number, because the mean of its divisors is an integer number (7576215061).

Almost surely, 2^15152430121 is an apocalyptic number.

It is an amenable number.

15152430121 is a deficient number, since it is larger than the sum of its proper divisors (1).

15152430121 is an equidigital number, since it uses as much as digits as its factorization.

15152430121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 15152430121 its reverse (12103425151), we get a palindrome (27255855272).

The spelling of 15152430121 in words is "fifteen billion, one hundred fifty-two million, four hundred thirty thousand, one hundred twenty-one".