11142511203 has 8 divisors (see below), whose sum is σ = 14857626816. Its totient is φ = 7427868200.

The previous prime is 11142511141. The next prime is 11142511231. The reversal of 11142511203 is 30211524111.

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 11142511203 - 2¹⁰ = 11142510179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11142511203.

It is not an unprimeable number, because it can be changed into a prime (11142511103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58893 + ... + 160478.

It is an arithmetic number, because the mean of its divisors is an integer number (1857203352).

Almost surely, 2^11142511203 is an apocalyptic number.

11142511203 is a deficient number, since it is larger than the sum of its proper divisors (3715115613).

11142511203 is a wasteful number, since it uses less digits than its factorization.

11142511203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236305.

The product of its (nonzero) digits is 240, while the sum is 21.

The spelling of 11142511203 in words is "eleven billion, one hundred forty-two million, five hundred eleven thousand, two hundred three".