11451011522 has 8 divisors (see below), whose sum is σ = 17176976316. Its totient is φ = 5725352752.

The previous prime is 11451011441. The next prime is 11451011569. The reversal of 11451011522 is 22511015411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11368037641 + 82973881 = 106621^2 + 9109^2 .

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

It is a super-2 number, since 2×11451011522² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86528 + ... + 174324.

Almost surely, 2^11451011522 is an apocalyptic number.

11451011522 is a deficient number, since it is larger than the sum of its proper divisors (5725964794).

11451011522 is an equidigital number, since it uses as much as digits as its factorization.

11451011522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153012.

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 11451011522 its reverse (22511015411), we get a palindrome (33962026933).

The spelling of 11451011522 in words is "eleven billion, four hundred fifty-one million, eleven thousand, five hundred twenty-two".