11863215031016 has 16 divisors (see below), whose sum is σ = 22245715721700. Its totient is φ = 5931024171904.

The previous prime is 11863215031013. The next prime is 11863215031021. The reversal of 11863215031016 is 61013051236811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9001860096100 + 2861354934916 = 3000310^2 + 1691554^2 .

It is not an unprimeable number, because it can be changed into a prime (11863215031013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72831515 + ... + 72994218.

Almost surely, 2^{11863215031016} is an apocalyptic number.

It is an amenable number.

11863215031016 is a deficient number, since it is larger than the sum of its proper divisors (10382500690684).

11863215031016 is a wasteful number, since it uses less digits than its factorization.

11863215031016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145835908 (or 145835904 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

Adding to 11863215031016 its reverse (61013051236811), we get a palindrome (72876266267827).

The spelling of 11863215031016 in words is "eleven trillion, eight hundred sixty-three billion, two hundred fifteen million, thirty-one thousand, sixteen".