11251656601 has 8 divisors (see below), whose sum is σ = 11919859560. Its totient is φ = 10584158208.

The previous prime is 11251656593. The next prime is 11251656613. The reversal of 11251656601 is 10665615211.

It can be written as a sum of positive squares in 4 ways, for example, as 4199688025 + 7051968576 = 64805^2 + 83976^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11251656601 - 2³ = 11251656593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11251656401) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 143076 + ... + 207301.

It is an arithmetic number, because the mean of its divisors is an integer number (1489982445).

Almost surely, 2^11251656601 is an apocalyptic number.

It is an amenable number.

11251656601 is a deficient number, since it is larger than the sum of its proper divisors (668202959).

11251656601 is a wasteful number, since it uses less digits than its factorization.

11251656601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352283.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 11251656601 in words is "eleven billion, two hundred fifty-one million, six hundred fifty-six thousand, six hundred one".