11455520513340 has 48 divisors (see below), whose sum is σ = 32260864735008. Its totient is φ = 3037147632384.

The previous prime is 11455520513321. The next prime is 11455520513407. The reversal of 11455520513340 is 4331502555411.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 551796967 + ... + 551817726.

It is an arithmetic number, because the mean of its divisors is an integer number (672101348646).

Almost surely, 2^{11455520513340} is an apocalyptic number.

11455520513340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11455520513340 is an abundant number, since it is smaller than the sum of its proper divisors (20805344221668).

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

11455520513340 is a wasteful number, since it uses less digits than its factorization.

11455520513340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103614878 (or 1103614876 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 11455520513340 in words is "eleven trillion, four hundred fifty-five billion, five hundred twenty million, five hundred thirteen thousand, three hundred forty".