1215024253144 has 16 divisors (see below), whose sum is σ = 2453414357520. Its totient is φ = 560780424480.

The previous prime is 1215024253133. The next prime is 1215024253237. The reversal of 1215024253144 is 4413524205121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5841462652 + ... + 5841462859.

It is an arithmetic number, because the mean of its divisors is an integer number (153338397345).

Almost surely, 2^{1215024253144} is an apocalyptic number.

It is an amenable number.

1215024253144 is an abundant number, since it is smaller than the sum of its proper divisors (1238390104376).

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

1215024253144 is a wasteful number, since it uses less digits than its factorization.

1215024253144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11682925530 (or 11682925526 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 1215024253144 its reverse (4413524205121), we get a palindrome (5628548458265).

The spelling of 1215024253144 in words is "one trillion, two hundred fifteen billion, twenty-four million, two hundred fifty-three thousand, one hundred forty-four".