11409143751 has 12 divisors (see below), whose sum is σ = 17449278912. Its totient is φ = 7158678336.

The previous prime is 11409143743. The next prime is 11409143773. The reversal of 11409143751 is 15734190411.

11409143751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11409143751 - 2³ = 11409143743 is a prime.

It is a super-2 number, since 2×11409143751² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11409143651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37284631 + ... + 37284936.

It is an arithmetic number, because the mean of its divisors is an integer number (1454106576).

Almost surely, 2^11409143751 is an apocalyptic number.

11409143751 is a deficient number, since it is larger than the sum of its proper divisors (6040135161).

11409143751 is a wasteful number, since it uses less digits than its factorization.

11409143751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74569590 (or 74569587 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 11409143751 in words is "eleven billion, four hundred nine million, one hundred forty-three thousand, seven hundred fifty-one".