11540521304 has 32 divisors (see below), whose sum is σ = 23697954000. Its totient is φ = 5236113792.

The previous prime is 11540521301. The next prime is 11540521313. The reversal of 11540521304 is 40312504511.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11540521301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 934259 + ... + 946530.

Almost surely, 2^11540521304 is an apocalyptic number.

It is an amenable number.

11540521304 is an abundant number, since it is smaller than the sum of its proper divisors (12157432696).

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

11540521304 is a wasteful number, since it uses less digits than its factorization.

11540521304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880867 (or 1880863 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 11540521304 in words is "eleven billion, five hundred forty million, five hundred twenty-one thousand, three hundred four".