11220252523240 has 32 divisors (see below), whose sum is σ = 25245809865000. Its totient is φ = 4488058042624.

The previous prime is 11220252523223. The next prime is 11220252523247. The reversal of 11220252523240 is 4232525202211.

11220252523240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6497880220836 + 4722372302404 = 2549094^2 + 2173102^2 .

It is not an unprimeable number, because it can be changed into a prime (11220252523247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3066486 + ... + 5643034.

Almost surely, 2^{11220252523240} is an apocalyptic number.

11220252523240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220252523240 is an abundant number, since it is smaller than the sum of its proper divisors (14025557341760).

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

11220252523240 is a wasteful number, since it uses less digits than its factorization.

11220252523240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685429 (or 2685425 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 11220252523240 its reverse (4232525202211), we get a palindrome (15452777725451).

The spelling of 11220252523240 in words is "eleven trillion, two hundred twenty billion, two hundred fifty-two million, five hundred twenty-three thousand, two hundred forty".