11011255690 has 8 divisors (see below), whose sum is σ = 19820260260. Its totient is φ = 4404502272.

The previous prime is 11011255669. The next prime is 11011255699. The reversal of 11011255690 is 9655211011.

It can be written as a sum of positive squares in 2 ways, for example, as 9449978521 + 1561277169 = 97211^2 + 39513^2 .

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

It is a super-2 number, since 2×11011255690² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11011255699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550562775 + ... + 550562794.

Almost surely, 2^11011255690 is an apocalyptic number.

11011255690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011255690 is a deficient number, since it is larger than the sum of its proper divisors (8809004570).

11011255690 is a wasteful number, since it uses less digits than its factorization.

11011255690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101125576.

The product of its (nonzero) digits is 2700, while the sum is 31.

The spelling of 11011255690 in words is "eleven billion, eleven million, two hundred fifty-five thousand, six hundred ninety".