11542340404 has 12 divisors (see below), whose sum is σ = 23084680864. Its totient is φ = 4946717304.

The previous prime is 11542340393. The next prime is 11542340441. The reversal of 11542340404 is 40404324511.

11542340404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 412226443 = 11542340404 / (1 + 1 + 5 + 4 + 2 + 3 + 4 + 0 + 4 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206113194 + ... + 206113249.

Almost surely, 2^11542340404 is an apocalyptic number.

11542340404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11542340404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11542340404 is a wasteful number, since it uses less digits than its factorization.

11542340404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412226454 (or 412226452 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 11542340404 its reverse (40404324511), we get a palindrome (51946664915).

The spelling of 11542340404 in words is "eleven billion, five hundred forty-two million, three hundred forty thousand, four hundred four".