11501225043 has 64 divisors (see below), whose sum is σ = 19822924800. Its totient is φ = 5755599360.

The previous prime is 11501225017. The next prime is 11501225119. The reversal of 11501225043 is 34052210511.

It is a happy number.

It is not a de Polignac number, because 11501225043 - 2⁶ = 11501224979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11501225843) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3408105 + ... + 3411477.

It is an arithmetic number, because the mean of its divisors is an integer number (309733200).

Almost surely, 2^11501225043 is an apocalyptic number.

11501225043 is a deficient number, since it is larger than the sum of its proper divisors (8321699757).

11501225043 is a wasteful number, since it uses less digits than its factorization.

11501225043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 11501225043 its reverse (34052210511), we get a palindrome (45553435554).

The spelling of 11501225043 in words is "eleven billion, five hundred one million, two hundred twenty-five thousand, forty-three".