11491460572 has 6 divisors (see below), whose sum is σ = 20110056008. Its totient is φ = 5745730284.

The previous prime is 11491460557. The next prime is 11491460597. The reversal of 11491460572 is 27506419411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1436432568 + ... + 1436432575.

Almost surely, 2^11491460572 is an apocalyptic number.

It is an amenable number.

11491460572 is a deficient number, since it is larger than the sum of its proper divisors (8618595436).

11491460572 is a wasteful number, since it uses less digits than its factorization.

11491460572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872865147 (or 2872865145 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

Adding to 11491460572 its reverse (27506419411), we get a palindrome (38997879983).

The spelling of 11491460572 in words is "eleven billion, four hundred ninety-one million, four hundred sixty thousand, five hundred seventy-two".