11125666690 has 8 divisors (see below), whose sum is σ = 20026200060. Its totient is φ = 4450266672.

The previous prime is 11125666687. The next prime is 11125666703. The reversal of 11125666690 is 9666652111.

It can be written as a sum of positive squares in 2 ways, for example, as 11120335209 + 5331481 = 105453^2 + 2309^2 .

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

It is a super-2 number, since 2×11125666690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556283325 + ... + 556283344.

Almost surely, 2^11125666690 is an apocalyptic number.

11125666690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11125666690 is a deficient number, since it is larger than the sum of its proper divisors (8900533370).

11125666690 is a wasteful number, since it uses less digits than its factorization.

11125666690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112566676.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 11125666690 in words is "eleven billion, one hundred twenty-five million, six hundred sixty-six thousand, six hundred ninety".