15244014385081 has 4 divisors (see below), whose sum is σ = 15248113344000. Its totient is φ = 15239915426164.

The previous prime is 15244014385069. The next prime is 15244014385091. The reversal of 15244014385081 is 18058341044251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15244014385081 - 2¹⁵ = 15244014352313 is a prime.

It is a super-2 number, since 2×15244014385081² (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 (15244014385091) 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, 2049473881 + ... + 2049481318.

It is an arithmetic number, because the mean of its divisors is an integer number (3812028336000).

Almost surely, 2^{15244014385081} is an apocalyptic number.

It is an amenable number.

15244014385081 is a deficient number, since it is larger than the sum of its proper divisors (4098958919).

15244014385081 is an equidigital number, since it uses as much as digits as its factorization.

15244014385081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098958918.

The product of its (nonzero) digits is 614400, while the sum is 46.

The spelling of 15244014385081 in words is "fifteen trillion, two hundred forty-four billion, fourteen million, three hundred eighty-five thousand, eighty-one".