1515042245005 has 4 divisors (see below), whose sum is σ = 1818050694012. Its totient is φ = 1212033796000.

The previous prime is 1515042244979. The next prime is 1515042245009. The reversal of 1515042245005 is 5005422405151.

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 185324223049 + 1329718021956 = 430493^2 + 1153134^2 .

It is not a de Polignac number, because 1515042245005 - 2²⁹ = 1514505374093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515042245009) 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, 151504224496 + ... + 151504224505.

It is an arithmetic number, because the mean of its divisors is an integer number (454512673503).

Almost surely, 2^{1515042245005} is an apocalyptic number.

It is an amenable number.

1515042245005 is a deficient number, since it is larger than the sum of its proper divisors (303008449007).

1515042245005 is an equidigital number, since it uses as much as digits as its factorization.

1515042245005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303008449006.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 1515042245005 in words is "one trillion, five hundred fifteen billion, forty-two million, two hundred forty-five thousand, five".