11214511405 has 8 divisors (see below), whose sum is σ = 13458293784. Its totient is φ = 8971022400.

The previous prime is 11214511387. The next prime is 11214511433. The reversal of 11214511405 is 50411541211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2620108969 + 8594402436 = 51187^2 + 92706^2 .

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

It is not a de Polignac number, because 11214511405 - 2¹⁵ = 11214478637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11214511405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22035 + ... + 151375.

It is an arithmetic number, because the mean of its divisors is an integer number (1682286723).

Almost surely, 2^11214511405 is an apocalyptic number.

It is an amenable number.

11214511405 is a deficient number, since it is larger than the sum of its proper divisors (2243782379).

11214511405 is a wasteful number, since it uses less digits than its factorization.

11214511405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146687.

The product of its (nonzero) digits is 800, while the sum is 25.

The spelling of 11214511405 in words is "eleven billion, two hundred fourteen million, five hundred eleven thousand, four hundred five".