211131152315 has 8 divisors (see below), whose sum is σ = 253405136880. Its totient is φ = 168873085792.

The previous prime is 211131152303. The next prime is 211131152317. The reversal of 211131152315 is 513251131112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211131152315 - 2¹⁸ = 211130890171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211131152317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3950309 + ... + 4003398.

It is an arithmetic number, because the mean of its divisors is an integer number (31675642110).

Almost surely, 2^211131152315 is an apocalyptic number.

211131152315 is a deficient number, since it is larger than the sum of its proper divisors (42273984565).

211131152315 is an equidigital number, since it uses as much as digits as its factorization.

211131152315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7959021.

The product of its digits is 900, while the sum is 26.

Adding to 211131152315 its reverse (513251131112), we get a palindrome (724382283427).

The spelling of 211131152315 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred fifty-two thousand, three hundred fifteen".