1215114032650 has 48 divisors (see below), whose sum is σ = 2619365385600. Its totient is φ = 410742763200.

The previous prime is 1215114032599. The next prime is 1215114032687. The reversal of 1215114032650 is 562304115121.

It is a super-2 number, since 2×1215114032650² (a number of 25 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 24424125 + ... + 24473824.

It is an arithmetic number, because the mean of its divisors is an integer number (54570112200).

Almost surely, 2^{1215114032650} is an apocalyptic number.

1215114032650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1215114032650 is an abundant number, since it is smaller than the sum of its proper divisors (1404251352950).

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

1215114032650 is a wasteful number, since it uses less digits than its factorization.

1215114032650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48898039 (or 48898034 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 1215114032650 its reverse (562304115121), we get a palindrome (1777418147771).

The spelling of 1215114032650 in words is "one trillion, two hundred fifteen billion, one hundred fourteen million, thirty-two thousand, six hundred fifty".