11863215031017 has 16 divisors (see below), whose sum is σ = 18102776938880. Its totient is φ = 6769418683392.

The previous prime is 11863215031013. The next prime is 11863215031021. The reversal of 11863215031017 is 71013051236811.

It is an interprime number because it is at equal distance from previous prime (11863215031013) and next prime (11863215031021).

It is not a de Polignac number, because 11863215031017 - 2² = 11863215031013 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398373688 + ... + 398403465.

It is an arithmetic number, because the mean of its divisors is an integer number (1131423558680).

Almost surely, 2^{11863215031017} is an apocalyptic number.

It is an amenable number.

11863215031017 is a deficient number, since it is larger than the sum of its proper divisors (6239561907863).

11863215031017 is an equidigital number, since it uses as much as digits as its factorization.

11863215031017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796777872.

The product of its (nonzero) digits is 30240, while the sum is 39.

Adding to 11863215031017 its reverse (71013051236811), we get a palindrome (82876266267828).

The spelling of 11863215031017 in words is "eleven trillion, eight hundred sixty-three billion, two hundred fifteen million, thirty-one thousand, seventeen".