11144562403 has 16 divisors (see below), whose sum is σ = 12652609536. Its totient is φ = 9743605920.

The previous prime is 11144562391. The next prime is 11144562409. The reversal of 11144562403 is 30426544111.

It is a cyclic number.

It is not a de Polignac number, because 11144562403 - 2³³ = 2554627811 is a prime.

It is a super-2 number, since 2×11144562403² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11144562409) 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, 275251 + ... + 313132.

It is an arithmetic number, because the mean of its divisors is an integer number (790788096).

Almost surely, 2^11144562403 is an apocalyptic number.

11144562403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11144562403 is a deficient number, since it is larger than the sum of its proper divisors (1508047133).

11144562403 is a wasteful number, since it uses less digits than its factorization.

11144562403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588474.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 11144562403 in words is "eleven billion, one hundred forty-four million, five hundred sixty-two thousand, four hundred three".