11621831603061 has 16 divisors (see below), whose sum is σ = 15572159677440. Its totient is φ = 7709771790960.

The previous prime is 11621831602907. The next prime is 11621831603087. The reversal of 11621831603061 is 16030613812611.

It is not a de Polignac number, because 11621831603061 - 2²⁹ = 11621294732149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621831803061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8908935 + ... + 10129796.

It is an arithmetic number, because the mean of its divisors is an integer number (973259979840).

Almost surely, 2^{11621831603061} is an apocalyptic number.

It is an amenable number.

11621831603061 is a deficient number, since it is larger than the sum of its proper divisors (3950328074379).

11621831603061 is a wasteful number, since it uses less digits than its factorization.

11621831603061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19039736.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 11621831603061 in words is "eleven trillion, six hundred twenty-one billion, eight hundred thirty-one million, six hundred three thousand, sixty-one".