11621361505136 has 40 divisors (see below), whose sum is σ = 22556887516800. Its totient is φ = 5800231131584.

The previous prime is 11621361505111. The next prime is 11621361505139. The reversal of 11621361505136 is 63150516312611.

It is a junction number, because it is equal to n+sod(n) for n = 11621361505093 and 11621361505102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621361505139) 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, 109824125 + ... + 109929891.

It is an arithmetic number, because the mean of its divisors is an integer number (563922187920).

Almost surely, 2^{11621361505136} is an apocalyptic number.

11621361505136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11621361505136 is a deficient number, since it is larger than the sum of its proper divisors (10935526011664).

11621361505136 is a wasteful number, since it uses less digits than its factorization.

11621361505136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118061 (or 118055 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

Adding to 11621361505136 its reverse (63150516312611), we get a palindrome (74771877817747).

The spelling of 11621361505136 in words is "eleven trillion, six hundred twenty-one billion, three hundred sixty-one million, five hundred five thousand, one hundred thirty-six".