11551090576 has 45 divisors (see below), whose sum is σ = 22695272019. Its totient is φ = 5695368192.

The previous prime is 11551090571. The next prime is 11551090583. The reversal of 11551090576 is 67509015511.

The square root of 11551090576 is 107476.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1821240976 + 9729849600 = 42676^2 + 98640^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11551090571) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 41700550 + ... + 41700826.

Almost surely, 2^11551090576 is an apocalyptic number.

11551090576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

11551090576 is the 107476-th square number.

It is an amenable number.

11551090576 is a deficient number, since it is larger than the sum of its proper divisors (11144181443).

11551090576 is an frugal number, since it uses more digits than its factorization.

11551090576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 40.

The spelling of 11551090576 in words is "eleven billion, five hundred fifty-one million, ninety thousand, five hundred seventy-six".