1071572636272 has 10 divisors (see below), whose sum is σ = 2076171982808. Its totient is φ = 535786318128.

The previous prime is 1071572636221. The next prime is 1071572636273. The reversal of 1071572636272 is 2726362751701.

It is a super-2 number, since 2×1071572636272² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071572636273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33486644868 + ... + 33486644899.

Almost surely, 2^{1071572636272} is an apocalyptic number.

It is an amenable number.

1071572636272 is a deficient number, since it is larger than the sum of its proper divisors (1004599346536).

1071572636272 is an equidigital number, since it uses as much as digits as its factorization.

1071572636272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66973289775 (or 66973289769 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 1071572636272 in words is "one trillion, seventy-one billion, five hundred seventy-two million, six hundred thirty-six thousand, two hundred seventy-two".