11778272725 has 24 divisors (see below), whose sum is σ = 14741244000. Its totient is φ = 9335048640.

The previous prime is 11778272683. The next prime is 11778272743. The reversal of 11778272725 is 52727287711.

It is not a de Polignac number, because 11778272725 - 2⁹ = 11778272213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1765446 + ... + 1772104.

It is an arithmetic number, because the mean of its divisors is an integer number (614218500).

Almost surely, 2^11778272725 is an apocalyptic number.

It is an amenable number.

11778272725 is a deficient number, since it is larger than the sum of its proper divisors (2962971275).

11778272725 is a wasteful number, since it uses less digits than its factorization.

11778272725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7317 (or 7312 counting only the distinct ones).

The product of its digits is 768320, while the sum is 49.

The spelling of 11778272725 in words is "eleven billion, seven hundred seventy-eight million, two hundred seventy-two thousand, seven hundred twenty-five".