11953388445830 has 64 divisors (see below), whose sum is σ = 24350861037888. Its totient is φ = 4194406540800.

The previous prime is 11953388445799. The next prime is 11953388445841. The reversal of 11953388445830 is 3854488335911.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 28689821 + ... + 29103480.

It is an arithmetic number, because the mean of its divisors is an integer number (380482203717).

Almost surely, 2^{11953388445830} is an apocalyptic number.

11953388445830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11953388445830 is an abundant number, since it is smaller than the sum of its proper divisors (12397472592058).

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

11953388445830 is a wasteful number, since it uses less digits than its factorization.

11953388445830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57793401.

The product of its (nonzero) digits is 49766400, while the sum is 62.

The spelling of 11953388445830 in words is "eleven trillion, nine hundred fifty-three billion, three hundred eighty-eight million, four hundred forty-five thousand, eight hundred thirty".