1215052062436 has 27 divisors (see below), whose sum is σ = 2167426153641. Its totient is φ = 596005956624.

The previous prime is 1215052062421. The next prime is 1215052062479. The reversal of 1215052062436 is 6342602505121.

The square root of 1215052062436 is 1102294.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 875927528100 + 339124534336 = 935910^2 + 582344^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1215052062395 and 1215052062404.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 116837965 + ... + 116848363.

Almost surely, 2^{1215052062436} is an apocalyptic number.

1215052062436 is the 1102294-th square number.

It is an amenable number.

1215052062436 is a deficient number, since it is larger than the sum of its proper divisors (952374091205).

1215052062436 is an frugal number, since it uses more digits than its factorization.

1215052062436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20908 (or 10454 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 1215052062436 its reverse (6342602505121), we get a palindrome (7557654567557).

The spelling of 1215052062436 in words is "one trillion, two hundred fifteen billion, fifty-two million, sixty-two thousand, four hundred thirty-six".