11012506053631 has 12 divisors (see below), whose sum is σ = 11698528234120. Its totient is φ = 10364603356800.

The previous prime is 11012506053569. The next prime is 11012506053671. The reversal of 11012506053631 is 13635060521011.

It is not a de Polignac number, because 11012506053631 - 2¹¹ = 11012506051583 is a prime.

It is a super-2 number, since 2×11012506053631² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012506053671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46288681 + ... + 46525981.

Almost surely, 2^{11012506053631} is an apocalyptic number.

11012506053631 is a deficient number, since it is larger than the sum of its proper divisors (686022180489).

11012506053631 is a wasteful number, since it uses less digits than its factorization.

11012506053631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397914 (or 397897 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

Adding to 11012506053631 its reverse (13635060521011), we get a palindrome (24647566574642).

The spelling of 11012506053631 in words is "eleven trillion, twelve billion, five hundred six million, fifty-three thousand, six hundred thirty-one".