11632463131 has 4 divisors (see below), whose sum is σ = 11632679352. Its totient is φ = 11632246912.

The previous prime is 11632463123. The next prime is 11632463149. The reversal of 11632463131 is 13136423611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13136423611 = 3041 ⋅4319771.

It is a cyclic number.

It is not a de Polignac number, because 11632463131 - 2³ = 11632463123 is a prime.

It is a super-2 number, since 2×11632463131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11632463093 and 11632463102.

It is not an unprimeable number, because it can be changed into a prime (11632463111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42900 + ... + 158446.

It is an arithmetic number, because the mean of its divisors is an integer number (2908169838).

Almost surely, 2^11632463131 is an apocalyptic number.

11632463131 is a deficient number, since it is larger than the sum of its proper divisors (216221).

11632463131 is a wasteful number, since it uses less digits than its factorization.

11632463131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216220.

The product of its digits is 7776, while the sum is 31.

Adding to 11632463131 its reverse (13136423611), we get a palindrome (24768886742).

The spelling of 11632463131 in words is "eleven billion, six hundred thirty-two million, four hundred sixty-three thousand, one hundred thirty-one".