11131024023440 has 40 divisors (see below), whose sum is σ = 26579080344120. Its totient is φ = 4332074213376.

The previous prime is 11131024023433. The next prime is 11131024023461. The reversal of 11131024023440 is 4432042013111.

It can be written as a sum of positive squares in 4 ways, for example, as 6647878409104 + 4483145614336 = 2578348^2 + 2117344^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1880237585 + ... + 1880243504.

It is an arithmetic number, because the mean of its divisors is an integer number (664477008603).

Almost surely, 2^{11131024023440} is an apocalyptic number.

11131024023440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11131024023440 is an abundant number, since it is smaller than the sum of its proper divisors (15448056320680).

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

11131024023440 is a wasteful number, since it uses less digits than its factorization.

11131024023440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760481139 (or 3760481133 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 11131024023440 its reverse (4432042013111), we get a palindrome (15563066036551).

The spelling of 11131024023440 in words is "eleven trillion, one hundred thirty-one billion, twenty-four million, twenty-three thousand, four hundred forty".