1147289308772 has 12 divisors (see below), whose sum is σ = 2062019974140. Its totient is φ = 558140744736.

The previous prime is 1147289308733. The next prime is 1147289308777. The reversal of 1147289308772 is 2778039827411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 819665865316 + 327623443456 = 905354^2 + 572384^2 .

It is a super-2 number, since 2×1147289308772² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1147289308777) 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, 3875977247 + ... + 3875977542.

It is an arithmetic number, because the mean of its divisors is an integer number (171834997845).

Almost surely, 2^{1147289308772} is an apocalyptic number.

It is an amenable number.

1147289308772 is a deficient number, since it is larger than the sum of its proper divisors (914730665368).

1147289308772 is a wasteful number, since it uses less digits than its factorization.

1147289308772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7751954830 (or 7751954828 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 59.

The spelling of 1147289308772 in words is "one trillion, one hundred forty-seven billion, two hundred eighty-nine million, three hundred eight thousand, seven hundred seventy-two".