10515320404242 has 8 divisors (see below), whose sum is σ = 21030640808496. Its totient is φ = 3505106801412.

The previous prime is 10515320404229. The next prime is 10515320404283. The reversal of 10515320404242 is 24240402351501.

10515320404242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

10515320404242 is an admirable number.

It is a super-2 number, since 2×10515320404242² (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 3 ways as a sum of consecutive naturals, for example, 876276700348 + ... + 876276700359.

It is an arithmetic number, because the mean of its divisors is an integer number (2628830101062).

Almost surely, 2^{10515320404242} is an apocalyptic number.

10515320404242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10515320404242 is a wasteful number, since it uses less digits than its factorization.

10515320404242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752553400712.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 10515320404242 its reverse (24240402351501), we get a palindrome (34755722755743).

The spelling of 10515320404242 in words is "ten trillion, five hundred fifteen billion, three hundred twenty million, four hundred four thousand, two hundred forty-two".