11523501201 has 4 divisors (see below), whose sum is σ = 15364668272. Its totient is φ = 7682334132.

The previous prime is 11523501179. The next prime is 11523501233. The reversal of 11523501201 is 10210532511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11523501201 - 2¹⁵ = 11523468433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11523501401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920583531 + ... + 1920583536.

It is an arithmetic number, because the mean of its divisors is an integer number (3841167068).

Almost surely, 2^11523501201 is an apocalyptic number.

It is an amenable number.

11523501201 is a deficient number, since it is larger than the sum of its proper divisors (3841167071).

11523501201 is an equidigital number, since it uses as much as digits as its factorization.

11523501201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841167070.

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 11523501201 in words is "eleven billion, five hundred twenty-three million, five hundred one thousand, two hundred one".