11552432141 has 8 divisors (see below), whose sum is σ = 11981525400. Its totient is φ = 11125387840.

The previous prime is 11552432137. The next prime is 11552432147. The reversal of 11552432141 is 14123425511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 148328041 + 11404104100 = 12179^2 + 106790^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11552432141 - 2² = 11552432137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11552432147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500750 + ... + 523311.

It is an arithmetic number, because the mean of its divisors is an integer number (1497690675).

Almost surely, 2^11552432141 is an apocalyptic number.

It is an amenable number.

11552432141 is a deficient number, since it is larger than the sum of its proper divisors (429093259).

11552432141 is a wasteful number, since it uses less digits than its factorization.

11552432141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024479.

The product of its digits is 4800, while the sum is 29.

Adding to 11552432141 its reverse (14123425511), we get a palindrome (25675857652).

The spelling of 11552432141 in words is "eleven billion, five hundred fifty-two million, four hundred thirty-two thousand, one hundred forty-one".