1071533377216 has 56 divisors (see below), whose sum is σ = 2147714154144. Its totient is φ = 530380677120.

The previous prime is 1071533377199. The next prime is 1071533377219. The reversal of 1071533377216 is 6127733351701.

It is a super-2 number, since 2×1071533377216² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071533377219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20019546 + ... + 20072998.

Almost surely, 2^{1071533377216} is an apocalyptic number.

1071533377216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1071533377216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073857077072).

1071533377216 is an abundant number, since it is smaller than the sum of its proper divisors (1076180776928).

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

1071533377216 is a wasteful number, since it uses less digits than its factorization.

1071533377216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56609 (or 56599 counting only the distinct ones).

The product of its (nonzero) digits is 555660, while the sum is 46.

The spelling of 1071533377216 in words is "one trillion, seventy-one billion, five hundred thirty-three million, three hundred seventy-seven thousand, two hundred sixteen".