11506001 has 16 divisors (see below), whose sum is σ = 13406400. Its totient is φ = 9782208.

The previous prime is 11505997. The next prime is 11506087. The reversal of 11506001 is 10060511.

11506001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11506001 - 2² = 11505997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11500001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8510 + ... + 9768.

It is an arithmetic number, because the mean of its divisors is an integer number (837900).

Almost surely, 2^11506001 is an apocalyptic number.

It is an amenable number.

11506001 is a deficient number, since it is larger than the sum of its proper divisors (1900399).

11506001 is a wasteful number, since it uses less digits than its factorization.

11506001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 11506001 is about 3392.0496753438. The cubic root of 11506001 is about 225.7571267710.

Adding to 11506001 its reverse (10060511), we get a palindrome (21566512).

The spelling of 11506001 in words is "eleven million, five hundred six thousand, one".