1071572636273 has 2 divisors, whose sum is σ = 1071572636274. Its totient is φ = 1071572636272.

The previous prime is 1071572636221. The next prime is 1071572636291. The reversal of 1071572636273 is 3726362751701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 837942513664 + 233630122609 = 915392^2 + 483353^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071572636273 - 2²⁸ = 1071304200817 is a prime.

It is a super-2 number, since 2×1071572636273² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071572636573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535786318136 + 535786318137.

It is an arithmetic number, because the mean of its divisors is an integer number (535786318137).

Almost surely, 2^{1071572636273} is an apocalyptic number.

It is an amenable number.

1071572636273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071572636273 is an equidigital number, since it uses as much as digits as its factorization.

1071572636273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 1071572636273 in words is "one trillion, seventy-one billion, five hundred seventy-two million, six hundred thirty-six thousand, two hundred seventy-three".