11043501115420 has 12 divisors (see below), whose sum is σ = 23191352342424. Its totient is φ = 4417400446160.

The previous prime is 11043501115397. The next prime is 11043501115469. The reversal of 11043501115420 is 2451110534011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276087527866 + ... + 276087527905.

It is an arithmetic number, because the mean of its divisors is an integer number (1932612695202).

Almost surely, 2^{11043501115420} is an apocalyptic number.

11043501115420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11043501115420 is an abundant number, since it is smaller than the sum of its proper divisors (12147851227004).

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

11043501115420 is a wasteful number, since it uses less digits than its factorization.

11043501115420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552175055780 (or 552175055778 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 11043501115420 its reverse (2451110534011), we get a palindrome (13494611649431).

The spelling of 11043501115420 in words is "eleven trillion, forty-three billion, five hundred one million, one hundred fifteen thousand, four hundred twenty".