11552001403 has 4 divisors (see below), whose sum is σ = 11552501448. Its totient is φ = 11551501360.

The previous prime is 11552001353. The next prime is 11552001437. The reversal of 11552001403 is 30410025511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11552001403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11552001473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213601 + ... + 262162.

It is an arithmetic number, because the mean of its divisors is an integer number (2888125362).

Almost surely, 2^11552001403 is an apocalyptic number.

11552001403 is a deficient number, since it is larger than the sum of its proper divisors (500045).

11552001403 is an equidigital number, since it uses as much as digits as its factorization.

11552001403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500044.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 11552001403 its reverse (30410025511), we get a palindrome (41962026914).

The spelling of 11552001403 in words is "eleven billion, five hundred fifty-two million, one thousand, four hundred three".