5267181061156 has 81 divisors (see below), whose sum is σ = 11391492912849. Its totient is φ = 2124356911488.

The previous prime is 5267181061141. The next prime is 5267181061211. The reversal of 5267181061156 is 6511601817625.

The square root of 5267181061156 is 2295034.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4100746500900 + 1166434560256 = 2025030^2 + 1080016^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 546213271 + ... + 546222913.

Almost surely, 2^{5267181061156} is an apocalyptic number.

5267181061156 is the 2295034-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5267181061156

5267181061156 is an abundant number, since it is smaller than the sum of its proper divisors (6124311851693).

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

5267181061156 is an frugal number, since it uses more digits than its factorization.

5267181061156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19338 (or 9669 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 49.

Multiplying 5267181061156 by its sum of digits (49), we get a square (258091871996644 = 16065238²).

5267181061156 divided by its sum of digits (49) gives a square (107493491044 = 327862²).

The spelling of 5267181061156 in words is "five trillion, two hundred sixty-seven billion, one hundred eighty-one million, sixty-one thousand, one hundred fifty-six".