1164131520272 has 30 divisors (see below), whose sum is σ = 2623750507278. Its totient is φ = 498913508352.

The previous prime is 1164131520169. The next prime is 1164131520371. The reversal of 1164131520272 is 2720251314611.

It can be written as a sum of positive squares in only one way, i.e., 717314139136 + 446817381136 = 846944^2 + 668444^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 742430033 + ... + 742431600.

Almost surely, 2^{1164131520272} is an apocalyptic number.

It is an amenable number.

1164131520272 is an abundant number, since it is smaller than the sum of its proper divisors (1459618987006).

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

1164131520272 is a wasteful number, since it uses less digits than its factorization.

1164131520272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484861655 (or 1484861642 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

Adding to 1164131520272 its reverse (2720251314611), we get a palindrome (3884382834883).

The spelling of 1164131520272 in words is "one trillion, one hundred sixty-four billion, one hundred thirty-one million, five hundred twenty thousand, two hundred seventy-two".