11938300215 has 16 divisors (see below), whose sum is σ = 19134398688. Its totient is φ = 6356054016.

The previous prime is 11938300211. The next prime is 11938300219. The reversal of 11938300215 is 51200383911.

It is an interprime number because it is at equal distance from previous prime (11938300211) and next prime (11938300219).

It is not a de Polignac number, because 11938300215 - 2² = 11938300211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11938300211) 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, 681022 + ... + 698331.

It is an arithmetic number, because the mean of its divisors is an integer number (1195899918).

Almost surely, 2^11938300215 is an apocalyptic number.

11938300215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11938300215 is a deficient number, since it is larger than the sum of its proper divisors (7196098473).

11938300215 is a wasteful number, since it uses less digits than its factorization.

11938300215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379938.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 11938300215 in words is "eleven billion, nine hundred thirty-eight million, three hundred thousand, two hundred fifteen".