11611536445144 has 16 divisors (see below), whose sum is σ = 21772371530520. Its totient is φ = 5805570703680.

The previous prime is 11611536445133. The next prime is 11611536445151. The reversal of 11611536445144 is 44154463511611.

It is a junction number, because it is equal to n+sod(n) for n = 11611536445094 and 11611536445103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24439869 + ... + 24910444.

Almost surely, 2^{11611536445144} is an apocalyptic number.

It is an amenable number.

11611536445144 is a deficient number, since it is larger than the sum of its proper divisors (10160835085376).

11611536445144 is a wasteful number, since it uses less digits than its factorization.

11611536445144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49379730 (or 49379726 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

Adding to 11611536445144 its reverse (44154463511611), we get a palindrome (55765999956755).

The spelling of 11611536445144 in words is "eleven trillion, six hundred eleven billion, five hundred thirty-six million, four hundred forty-five thousand, one hundred forty-four".