1071572636252 has 6 divisors (see below), whose sum is σ = 1875252113448. Its totient is φ = 535786318124.

The previous prime is 1071572636221. The next prime is 1071572636273. The reversal of 1071572636252 is 2526362751701.

It is a super-2 number, since 2×1071572636252² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071572636197 and 1071572636206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133946579528 + ... + 133946579535.

It is an arithmetic number, because the mean of its divisors is an integer number (312542018908).

Almost surely, 2^{1071572636252} is an apocalyptic number.

It is an amenable number.

1071572636252 is a deficient number, since it is larger than the sum of its proper divisors (803679477196).

1071572636252 is a wasteful number, since it uses less digits than its factorization.

1071572636252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267893159067 (or 267893159065 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 1071572636252 in words is "one trillion, seventy-one billion, five hundred seventy-two million, six hundred thirty-six thousand, two hundred fifty-two".