15122253427 has 2 divisors, whose sum is σ = 15122253428. Its totient is φ = 15122253426.

The previous prime is 15122253359. The next prime is 15122253439. The reversal of 15122253427 is 72435222151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15122253427 - 2¹¹ = 15122251379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15122253392 and 15122253401.

It is not a weakly prime, because it can be changed into another prime (15122251427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7561126713 + 7561126714.

It is an arithmetic number, because the mean of its divisors is an integer number (7561126714).

Almost surely, 2^15122253427 is an apocalyptic number.

15122253427 is a deficient number, since it is larger than the sum of its proper divisors (1).

15122253427 is an equidigital number, since it uses as much as digits as its factorization.

15122253427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 34.

Adding to 15122253427 its reverse (72435222151), we get a palindrome (87557475578).

The spelling of 15122253427 in words is "fifteen billion, one hundred twenty-two million, two hundred fifty-three thousand, four hundred twenty-seven".