11405588397 has 8 divisors (see below), whose sum is σ = 17379944256. Its totient is φ = 6517479072.

The previous prime is 11405588357. The next prime is 11405588419. The reversal of 11405588397 is 79388550411.

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

It is not a de Polignac number, because 11405588397 - 2⁸ = 11405588141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11405588347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271561608 + ... + 271561649.

It is an arithmetic number, because the mean of its divisors is an integer number (2172493032).

Almost surely, 2^11405588397 is an apocalyptic number.

It is an amenable number.

11405588397 is a deficient number, since it is larger than the sum of its proper divisors (5974355859).

11405588397 is an equidigital number, since it uses as much as digits as its factorization.

11405588397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543123267.

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 11405588397 in words is "eleven billion, four hundred five million, five hundred eighty-eight thousand, three hundred ninety-seven".