11631201321117 has 48 divisors (see below), whose sum is σ = 18304312780800. Its totient is φ = 6549809841792.

The previous prime is 11631201321101. The next prime is 11631201321143. The reversal of 11631201321117 is 71112310213611.

It is not a de Polignac number, because 11631201321117 - 2⁴ = 11631201321101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11631201321217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 691003 + ... + 4872359.

It is an arithmetic number, because the mean of its divisors is an integer number (381339849600).

Almost surely, 2^{11631201321117} is an apocalyptic number.

It is an amenable number.

11631201321117 is a deficient number, since it is larger than the sum of its proper divisors (6673111459683).

11631201321117 is a wasteful number, since it uses less digits than its factorization.

11631201321117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181650 (or 4181643 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 30.

Adding to 11631201321117 its reverse (71112310213611), we get a palindrome (82743511534728).

The spelling of 11631201321117 in words is "eleven trillion, six hundred thirty-one billion, two hundred one million, three hundred twenty-one thousand, one hundred seventeen".