911748071025 has 189 divisors, whose sum is σ = 1866084844827. Its totient is φ = 441372175200.

The previous prime is 911748071011. The next prime is 911748071081. The reversal of 911748071025 is 520170847119.

It is a happy number.

The square root of 911748071025 is 954855.

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

911748071025 is a `hidden beast` number, since 91 + 17 + 480 + 71 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 328229305569 + 583518765456 = 572913^2 + 763884^2 .

It is not a de Polignac number, because 911748071025 - 2⁵ = 911748070993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 188 ways as a sum of consecutive naturals, for example, 1417959354 + ... + 1417959996.

Almost surely, 2^911748071025 is an apocalyptic number.

911748071025 is the 954855-th square number.

911748071025 is the 477428-th centered octagonal number.

It is an amenable number.

911748071025 is an abundant number, since it is smaller than the sum of its proper divisors (954336773802).

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

911748071025 is an frugal number, since it uses more digits than its factorization.

911748071025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The spelling of 911748071025 in words is "nine hundred eleven billion, seven hundred forty-eight million, seventy-one thousand, twenty-five".