15414442020425 has 48 divisors (see below), whose sum is σ = 22576333593600. Its totient is φ = 10216596614400.

The previous prime is 15414442020407. The next prime is 15414442020449. The reversal of 15414442020425 is 52402024441451.

It is not a de Polignac number, because 15414442020425 - 2¹⁰ = 15414442019401 is a prime.

It is a super-2 number, since 2×15414442020425² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2783591 + ... + 6211059.

It is an arithmetic number, because the mean of its divisors is an integer number (470340283200).

Almost surely, 2^{15414442020425} is an apocalyptic number.

It is an amenable number.

15414442020425 is a deficient number, since it is larger than the sum of its proper divisors (7161891573175).

15414442020425 is a wasteful number, since it uses less digits than its factorization.

15414442020425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3428346 (or 3428341 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 38.

Adding to 15414442020425 its reverse (52402024441451), we get a palindrome (67816466461876).

The spelling of 15414442020425 in words is "fifteen trillion, four hundred fourteen billion, four hundred forty-two million, twenty thousand, four hundred twenty-five".