11400211421007 has 4 divisors (see below), whose sum is σ = 15200281894680. Its totient is φ = 7600140947336.

The previous prime is 11400211420963. The next prime is 11400211421017. The reversal of 11400211421007 is 70012411200411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11400211421007 - 2³⁸ = 11125333514063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400211421017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1900035236832 + ... + 1900035236837.

It is an arithmetic number, because the mean of its divisors is an integer number (3800070473670).

Almost surely, 2^{11400211421007} is an apocalyptic number.

11400211421007 is a deficient number, since it is larger than the sum of its proper divisors (3800070473673).

11400211421007 is an equidigital number, since it uses as much as digits as its factorization.

11400211421007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800070473672.

The product of its (nonzero) digits is 448, while the sum is 24.

Adding to 11400211421007 its reverse (70012411200411), we get a palindrome (81412622621418).

The spelling of 11400211421007 in words is "eleven trillion, four hundred billion, two hundred eleven million, four hundred twenty-one thousand, seven".