15412020427 has 2 divisors, whose sum is σ = 15412020428. Its totient is φ = 15412020426.

The previous prime is 15412020413. The next prime is 15412020469. The reversal of 15412020427 is 72402021451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15412020427 - 2²⁷ = 15277802699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15412020395 and 15412020404.

It is not a weakly prime, because it can be changed into another prime (15412020727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7706010213 + 7706010214.

It is an arithmetic number, because the mean of its divisors is an integer number (7706010214).

Almost surely, 2^15412020427 is an apocalyptic number.

15412020427 is a deficient number, since it is larger than the sum of its proper divisors (1).

15412020427 is an equidigital number, since it uses as much as digits as its factorization.

15412020427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 15412020427 its reverse (72402021451), we get a palindrome (87814041878).

The spelling of 15412020427 in words is "fifteen billion, four hundred twelve million, twenty thousand, four hundred twenty-seven".