11401213013 has 8 divisors (see below), whose sum is σ = 12207513240. Its totient is φ = 10609984000.

The previous prime is 11401213007. The next prime is 11401213049. The reversal of 11401213013 is 31031210411.

It can be written as a sum of positive squares in 4 ways, for example, as 3505468849 + 7895744164 = 59207^2 + 88858^2 .

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 11401213013 - 2³² = 7106245717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11401212982 and 11401213000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401203013) 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, 3766238 + ... + 3769263.

It is an arithmetic number, because the mean of its divisors is an integer number (1525939155).

Almost surely, 2^11401213013 is an apocalyptic number.

It is an amenable number.

11401213013 is a deficient number, since it is larger than the sum of its proper divisors (806300227).

11401213013 is an equidigital number, since it uses as much as digits as its factorization.

11401213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7535607.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11401213013 its reverse (31031210411), we get a palindrome (42432423424).

The spelling of 11401213013 in words is "eleven billion, four hundred one million, two hundred thirteen thousand, thirteen".