11061667590 has 32 divisors (see below), whose sum is σ = 26687010816. Its totient is φ = 2934332640.

The previous prime is 11061667571. The next prime is 11061667607. The reversal of 11061667590 is 9576616011.

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, 959512 + ... + 970971.

It is an arithmetic number, because the mean of its divisors is an integer number (833969088).

Almost surely, 2^11061667590 is an apocalyptic number.

11061667590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11061667590 is an abundant number, since it is smaller than the sum of its proper divisors (15625343226).

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

11061667590 is a wasteful number, since it uses less digits than its factorization.

11061667590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930684.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 11061667590 in words is "eleven billion, sixty-one million, six hundred sixty-seven thousand, five hundred ninety".