537113272320 has 224 divisors, whose sum is σ = 1909623450240. Its totient is φ = 143229911040.

The previous prime is 537113272303. The next prime is 537113272327. The reversal of 537113272320 is 23272311735.

537113272320 is a `hidden beast` number, since 5 + 3 + 7 + 1 + 1 + 327 + 2 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (537113272327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863085 + ... + 1348755.

Almost surely, 2^537113272320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537113272320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954811725120).

537113272320 is an abundant number, since it is smaller than the sum of its proper divisors (1372510177920).

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

537113272320 is an equidigital number, since it uses as much as digits as its factorization.

537113272320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485711 (or 485681 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The spelling of 537113272320 in words is "five hundred thirty-seven billion, one hundred thirteen million, two hundred seventy-two thousand, three hundred twenty".