15253421456227 has 4 divisors (see below), whose sum is σ = 15253690026096. Its totient is φ = 15253152886360.

The previous prime is 15253421456197. The next prime is 15253421456321. The reversal of 15253421456227 is 72265412435251.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15253421456227 is a prime.

It is a super-2 number, since 2×15253421456227² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15253421406227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134199724 + ... + 134313337.

It is an arithmetic number, because the mean of its divisors is an integer number (3813422506524).

Almost surely, 2^{15253421456227} is an apocalyptic number.

15253421456227 is a deficient number, since it is larger than the sum of its proper divisors (268569869).

15253421456227 is an equidigital number, since it uses as much as digits as its factorization.

15253421456227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268569868.

The product of its digits is 4032000, while the sum is 49.

The spelling of 15253421456227 in words is "fifteen trillion, two hundred fifty-three billion, four hundred twenty-one million, four hundred fifty-six thousand, two hundred twenty-seven".