11941836590 has 64 divisors (see below), whose sum is σ = 22444646400. Its totient is φ = 4570871424.

The previous prime is 11941836581. The next prime is 11941836679. The reversal of 11941836590 is 9563814911.

It is a super-2 number, since 2×11941836590² (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 31 ways as a sum of consecutive naturals, for example, 9716096 + ... + 9717324.

It is an arithmetic number, because the mean of its divisors is an integer number (350697600).

Almost surely, 2^11941836590 is an apocalyptic number.

11941836590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11941836590 is a deficient number, since it is larger than the sum of its proper divisors (10502809810).

11941836590 is a wasteful number, since it uses less digits than its factorization.

11941836590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 11941836590 in words is "eleven billion, nine hundred forty-one million, eight hundred thirty-six thousand, five hundred ninety".