11005214140 has 24 divisors (see below), whose sum is σ = 23735571552. Its totient is φ = 4283110080.

The previous prime is 11005214063. The next prime is 11005214173. The reversal of 11005214140 is 4141250011.

It is a super-2 number, since 2×11005214140² (a number of 21 digits) contains 22 as substring.

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, 7435216 + ... + 7436695.

It is an arithmetic number, because the mean of its divisors is an integer number (988982148).

Almost surely, 2^11005214140 is an apocalyptic number.

11005214140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11005214140 is an abundant number, since it is smaller than the sum of its proper divisors (12730357412).

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

11005214140 is a wasteful number, since it uses less digits than its factorization.

11005214140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14871957 (or 14871955 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 11005214140 its reverse (4141250011), we get a palindrome (15146464151).

The spelling of 11005214140 in words is "eleven billion, five million, two hundred fourteen thousand, one hundred forty".