11351442003 has 16 divisors (see below), whose sum is σ = 16822722816. Its totient is φ = 6749855840.

The previous prime is 11351441987. The next prime is 11351442013. The reversal of 11351442003 is 30024415311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11351442003 - 2⁴ = 11351441987 is a prime.

It is a super-4 number, since 4×11351442003⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (11351442013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3243375 + ... + 3246872.

It is an arithmetic number, because the mean of its divisors is an integer number (1051420176).

Almost surely, 2^11351442003 is an apocalyptic number.

11351442003 is a deficient number, since it is larger than the sum of its proper divisors (5471280813).

11351442003 is a wasteful number, since it uses less digits than its factorization.

11351442003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490314.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 11351442003 its reverse (30024415311), we get a palindrome (41375857314).

It can be divided in two parts, 11351 and 442003, that added together give a palindrome (453354).

The spelling of 11351442003 in words is "eleven billion, three hundred fifty-one million, four hundred forty-two thousand, three".