11140591402 has 8 divisors (see below), whose sum is σ = 17693880516. Its totient is φ = 5242631232.

The previous prime is 11140591333. The next prime is 11140591409. The reversal of 11140591402 is 20419504111.

11140591402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 105549²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 11140591401 + 1 = 105549^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11140591402² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11140591409) 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 3 ways as a sum of consecutive naturals, for example, 163832193 + ... + 163832260.

Almost surely, 2^11140591402 is an apocalyptic number.

11140591402 is a deficient number, since it is larger than the sum of its proper divisors (6553289114).

11140591402 is a wasteful number, since it uses less digits than its factorization.

11140591402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327664472.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 11140591402 in words is "eleven billion, one hundred forty million, five hundred ninety-one thousand, four hundred two".