11331121029990 has 16 divisors (see below), whose sum is σ = 27194690472048. Its totient is φ = 3021632274656.

The previous prime is 11331121029961. The next prime is 11331121029997. The reversal of 11331121029990 is 9992012113311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331121029997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188852017137 + ... + 188852017196.

It is an arithmetic number, because the mean of its divisors is an integer number (1699668154503).

Almost surely, 2^{11331121029990} is an apocalyptic number.

11331121029990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11331121029990 is an abundant number, since it is smaller than the sum of its proper divisors (15863569442058).

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

11331121029990 is a wasteful number, since it uses less digits than its factorization.

11331121029990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377704034343.

The product of its (nonzero) digits is 26244, while the sum is 42.

The spelling of 11331121029990 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-one million, twenty-nine thousand, nine hundred ninety".