11772033001 has 3 divisors (see below), whose sum is σ = 11772141501. Its totient is φ = 11771924502.

The previous prime is 11772032981. The next prime is 11772033011. The reversal of 11772033001 is 10033027711.

The square root of 11772033001 is 108499.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 11772033001 - 2²³ = 11763644393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11772033011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 54250 + ... + 162748.

It is an arithmetic number, because the mean of its divisors is an integer number (3924047167).

Almost surely, 2^11772033001 is an apocalyptic number.

11772033001 is the 108499-th square number.

11772033001 is the 54250-th centered octagonal number.

It is an amenable number.

11772033001 is a deficient number, since it is larger than the sum of its proper divisors (108500).

11772033001 is an frugal number, since it uses more digits than its factorization.

11772033001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216998 (or 108499 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 25.

Multiplying 11772033001 by its sum of digits (25), we get a square (294300825025 = 542495²).

The spelling of 11772033001 in words is "eleven billion, seven hundred seventy-two million, thirty-three thousand, one".