1515020452112 has 10 divisors (see below), whose sum is σ = 2935352125998. Its totient is φ = 757510226048.

The previous prime is 1515020452109. The next prime is 1515020452123. The reversal of 1515020452112 is 2112540205151.

It can be written as a sum of positive squares in only one way, i.e., 1475389198336 + 39631253776 = 1214656^2 + 199076^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47344389113 + ... + 47344389144.

Almost surely, 2^{1515020452112} is an apocalyptic number.

It is an amenable number.

1515020452112 is a deficient number, since it is larger than the sum of its proper divisors (1420331673886).

1515020452112 is an equidigital number, since it uses as much as digits as its factorization.

1515020452112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94688778265 (or 94688778259 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 1515020452112 its reverse (2112540205151), we get a palindrome (3627560657263).

The spelling of 1515020452112 in words is "one trillion, five hundred fifteen billion, twenty million, four hundred fifty-two thousand, one hundred twelve".