11401384791 has 8 divisors (see below), whose sum is σ = 15212535040. Its totient is φ = 7595578872.

The previous prime is 11401384759. The next prime is 11401384793. The reversal of 11401384791 is 19748310411.

It is a happy number.

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

It is not a de Polignac number, because 11401384791 - 2⁵ = 11401384759 is a prime.

It is a super-2 number, since 2×11401384791² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401384793) 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, 1331101 + ... + 1339638.

It is an arithmetic number, because the mean of its divisors is an integer number (1901566880).

Almost surely, 2^11401384791 is an apocalyptic number.

11401384791 is a deficient number, since it is larger than the sum of its proper divisors (3811150249).

11401384791 is a wasteful number, since it uses less digits than its factorization.

11401384791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672165.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 11401384791 in words is "eleven billion, four hundred one million, three hundred eighty-four thousand, seven hundred ninety-one".