11553451020404 has 12 divisors (see below), whose sum is σ = 20218691320128. Its totient is φ = 5776682071800.

The previous prime is 11553451020379. The next prime is 11553451020409. The reversal of 11553451020404 is 40402015435511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553451020409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10257452 + ... + 11327939.

It is an arithmetic number, because the mean of its divisors is an integer number (1684890943344).

Almost surely, 2^{11553451020404} is an apocalyptic number.

It is an amenable number.

11553451020404 is a deficient number, since it is larger than the sum of its proper divisors (8665240299724).

11553451020404 is a wasteful number, since it uses less digits than its factorization.

11553451020404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21719206 (or 21719204 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 11553451020404 its reverse (40402015435511), we get a palindrome (51955466455915).

The spelling of 11553451020404 in words is "eleven trillion, five hundred fifty-three billion, four hundred fifty-one million, twenty thousand, four hundred four".