11211405000 has 80 divisors (see below), whose sum is σ = 35024476080. Its totient is φ = 2989704000.

The previous prime is 11211404999. The next prime is 11211405047. The reversal of 11211405000 is 50411211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 358714 + ... + 388713.

It is an arithmetic number, because the mean of its divisors is an integer number (437805951).

Almost surely, 2^11211405000 is an apocalyptic number.

11211405000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211405000 is an abundant number, since it is smaller than the sum of its proper divisors (23813071080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11211405000 is an equidigital number, since it uses as much as digits as its factorization.

11211405000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747456 (or 747437 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 11211405000 its reverse (50411211), we get a palindrome (11261816211).

The spelling of 11211405000 in words is "eleven billion, two hundred eleven million, four hundred five thousand".