11741721737 has 8 divisors (see below), whose sum is σ = 12100136832. Its totient is φ = 11386736800.

The previous prime is 11741721713. The next prime is 11741721751. The reversal of 11741721737 is 73712714711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11741721737 - 2¹⁰ = 11741720713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11741721694 and 11741721703.

It is not an unprimeable number, because it can be changed into a prime (11741721757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850589 + ... + 864282.

It is an arithmetic number, because the mean of its divisors is an integer number (1512517104).

Almost surely, 2^11741721737 is an apocalyptic number.

It is an amenable number.

11741721737 is a deficient number, since it is larger than the sum of its proper divisors (358415095).

11741721737 is a wasteful number, since it uses less digits than its factorization.

11741721737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715079.

The product of its digits is 57624, while the sum is 41.

The spelling of 11741721737 in words is "eleven billion, seven hundred forty-one million, seven hundred twenty-one thousand, seven hundred thirty-seven".