11523201001 has 16 divisors (see below), whose sum is σ = 13297906944. Its totient is φ = 9890475264.

The previous prime is 11523200989. The next prime is 11523201029. The reversal of 11523201001 is 10010232511.

It is a cyclic number.

It is not a de Polignac number, because 11523201001 - 2⁷ = 11523200873 is a prime.

It is a super-2 number, since 2×11523201001² (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 (11523201061) 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, 295761 + ... + 332446.

It is an arithmetic number, because the mean of its divisors is an integer number (831119184).

Almost surely, 2^11523201001 is an apocalyptic number.

It is an amenable number.

11523201001 is a deficient number, since it is larger than the sum of its proper divisors (1774705943).

11523201001 is a wasteful number, since it uses less digits than its factorization.

11523201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628320.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 11523201001 its reverse (10010232511), we get a palindrome (21533433512).

The spelling of 11523201001 in words is "eleven billion, five hundred twenty-three million, two hundred one thousand, one".