11138135102780 has 48 divisors (see below), whose sum is σ = 26732116540416. Its totient is φ = 3818704564800.

The previous prime is 11138135102779. The next prime is 11138135102819. The reversal of 11138135102780 is 8720153183111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5630927 + ... + 7347353.

It is an arithmetic number, because the mean of its divisors is an integer number (556919094592).

Almost surely, 2^{11138135102780} is an apocalyptic number.

11138135102780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11138135102780 is an abundant number, since it is smaller than the sum of its proper divisors (15593981437636).

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

11138135102780 is a wasteful number, since it uses less digits than its factorization.

11138135102780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762794 (or 1762792 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 41.

Adding to 11138135102780 its reverse (8720153183111), we get a palindrome (19858288285891).

The spelling of 11138135102780 in words is "eleven trillion, one hundred thirty-eight billion, one hundred thirty-five million, one hundred two thousand, seven hundred eighty".