11405252522 has 8 divisors (see below), whose sum is σ = 17127843876. Its totient is φ = 5695971232.

The previous prime is 11405252473. The next prime is 11405252543. The reversal of 11405252522 is 22525250411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11288850001 + 116402521 = 106249^2 + 10789^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3325373 + ... + 3328800.

Almost surely, 2^11405252522 is an apocalyptic number.

11405252522 is a deficient number, since it is larger than the sum of its proper divisors (5722591354).

11405252522 is an equidigital number, since it uses as much as digits as its factorization.

11405252522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655032.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 11405252522 in words is "eleven billion, four hundred five million, two hundred fifty-two thousand, five hundred twenty-two".