11251532043 has 24 divisors (see below), whose sum is σ = 17741214400. Its totient is φ = 7106227848.

The previous prime is 11251532029. The next prime is 11251532077. The reversal of 11251532043 is 34023515211.

11251532043 is a `hidden beast` number, since 1 + 125 + 1 + 532 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 11251532043 - 2⁵ = 11251532011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11251531998 and 11251532016.

It is not an unprimeable number, because it can be changed into a prime (11251532003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1213873 + ... + 1223106.

Almost surely, 2^11251532043 is an apocalyptic number.

11251532043 is a deficient number, since it is larger than the sum of its proper divisors (6489682357).

11251532043 is an equidigital number, since it uses as much as digits as its factorization.

11251532043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437013 (or 2437001 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 11251532043 in words is "eleven billion, two hundred fifty-one million, five hundred thirty-two thousand, forty-three".