11772825720 has 64 divisors (see below), whose sum is σ = 37396041120. Its totient is φ = 2954747904.

The previous prime is 11772825719. The next prime is 11772825751. The reversal of 11772825720 is 2752827711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2883457 + ... + 2887536.

Almost surely, 2^11772825720 is an apocalyptic number.

11772825720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11772825720 is an abundant number, since it is smaller than the sum of its proper divisors (25623215400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11772825720 is a wasteful number, since it uses less digits than its factorization.

11772825720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771024 (or 5771020 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 42.

The spelling of 11772825720 in words is "eleven billion, seven hundred seventy-two million, eight hundred twenty-five thousand, seven hundred twenty".