11621701011 has 8 divisors (see below), whose sum is σ = 15995459584. Its totient is φ = 7497871560.

The previous prime is 11621701009. The next prime is 11621701051. The reversal of 11621701011 is 11010712611.

11621701011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11621701011 - 2¹ = 11621701009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11621701001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62482171 + ... + 62482356.

It is an arithmetic number, because the mean of its divisors is an integer number (1999432448).

Almost surely, 2^11621701011 is an apocalyptic number.

11621701011 is a deficient number, since it is larger than the sum of its proper divisors (4373758573).

11621701011 is a wasteful number, since it uses less digits than its factorization.

11621701011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124964561.

The product of its (nonzero) digits is 84, while the sum is 21.

The spelling of 11621701011 in words is "eleven billion, six hundred twenty-one million, seven hundred one thousand, eleven".