11403521124 has 24 divisors (see below), whose sum is σ = 26613201888. Its totient is φ = 3800461440.

The previous prime is 11403521117. The next prime is 11403521131. The reversal of 11403521124 is 42112530411.

It is an interprime number because it is at equal distance from previous prime (11403521117) and next prime (11403521131).

It is a junction number, because it is equal to n+sod(n) for n = 11403521094 and 11403521103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20197 + ... + 152364.

It is an arithmetic number, because the mean of its divisors is an integer number (1108883412).

Almost surely, 2^11403521124 is an apocalyptic number.

It is an amenable number.

11403521124 is an abundant number, since it is smaller than the sum of its proper divisors (15209680764).

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

11403521124 is a wasteful number, since it uses less digits than its factorization.

11403521124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178075 (or 178073 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 11403521124 in words is "eleven billion, four hundred three million, five hundred twenty-one thousand, one hundred twenty-four".