11450362561 has 8 divisors (see below), whose sum is σ = 12527306784. Its totient is φ = 10379418720.

The previous prime is 11450362541. The next prime is 11450362589. The reversal of 11450362561 is 16526305411.

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

It is a de Polignac number, because none of the positive numbers 2^k-11450362561 is a prime.

It is a super-2 number, since 2×11450362561² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11450362541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1496100 + ... + 1503733.

It is an arithmetic number, because the mean of its divisors is an integer number (1565913348).

Almost surely, 2^11450362561 is an apocalyptic number.

11450362561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11450362561 is a deficient number, since it is larger than the sum of its proper divisors (1076944223).

11450362561 is a wasteful number, since it uses less digits than its factorization.

11450362561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000191.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 11450362561 its reverse (16526305411), we get a palindrome (27976667972).

The spelling of 11450362561 in words is "eleven billion, four hundred fifty million, three hundred sixty-two thousand, five hundred sixty-one".