15112204514005 has 4 divisors (see below), whose sum is σ = 18134645416812. Its totient is φ = 12089763611200.

The previous prime is 15112204513997. The next prime is 15112204514009. The reversal of 15112204514005 is 50041540221151.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12044967183396 + 3067237330609 = 3470586^2 + 1751353^2 .

It is not a de Polignac number, because 15112204514005 - 2³ = 15112204513997 is a prime.

It is a super-2 number, since 2×15112204514005² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15112204514009) 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, 1511220451396 + ... + 1511220451405.

It is an arithmetic number, because the mean of its divisors is an integer number (4533661354203).

Almost surely, 2^{15112204514005} is an apocalyptic number.

It is an amenable number.

15112204514005 is a deficient number, since it is larger than the sum of its proper divisors (3022440902807).

15112204514005 is an equidigital number, since it uses as much as digits as its factorization.

15112204514005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022440902806.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 15112204514005 its reverse (50041540221151), we get a palindrome (65153744735156).

It can be divided in two parts, 15112204 and 514005, that added together give a square (15626209 = 3953²).

The spelling of 15112204514005 in words is "fifteen trillion, one hundred twelve billion, two hundred four million, five hundred fourteen thousand, five".