11403451124 has 24 divisors (see below), whose sum is σ = 21494367048. Its totient is φ = 5262336000.

The previous prime is 11403451123. The next prime is 11403451223. The reversal of 11403451124 is 42115430411.

It can be written as a sum of positive squares in 4 ways, for example, as 773841124 + 10629610000 = 27818^2 + 103100^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 11403451093 and 11403451102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403451123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463124 + ... + 487124.

It is an arithmetic number, because the mean of its divisors is an integer number (895598627).

Almost surely, 2^11403451124 is an apocalyptic number.

It is an amenable number.

11403451124 is a deficient number, since it is larger than the sum of its proper divisors (10090915924).

11403451124 is a wasteful number, since it uses less digits than its factorization.

11403451124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33155 (or 33153 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 11403451124 its reverse (42115430411), we get a palindrome (53518881535).

The spelling of 11403451124 in words is "eleven billion, four hundred three million, four hundred fifty-one thousand, one hundred twenty-four".