11903724144 has 80 divisors (see below), whose sum is σ = 36796429600. Its totient is φ = 3662682624.

The previous prime is 11903724121. The next prime is 11903724149. The reversal of 11903724144 is 44142730911.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11903724099 and 11903724108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11903724149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054189 + ... + 1065420.

It is an arithmetic number, because the mean of its divisors is an integer number (459955370).

Almost surely, 2^11903724144 is an apocalyptic number.

It is an amenable number.

11903724144 is an abundant number, since it is smaller than the sum of its proper divisors (24892705456).

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

11903724144 is a wasteful number, since it uses less digits than its factorization.

11903724144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119639 (or 2119627 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 11903724144 in words is "eleven billion, nine hundred three million, seven hundred twenty-four thousand, one hundred forty-four".