1520036731896 has 32 divisors (see below), whose sum is σ = 3800125193040. Its totient is φ = 506674462208.

The previous prime is 1520036731847. The next prime is 1520036731897. The reversal of 1520036731896 is 6981376300251.

It is a super-3 number, since 3×1520036731896³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520036731897) 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, 3638470 + ... + 4034666.

Almost surely, 2^{1520036731896} is an apocalyptic number.

It is an amenable number.

1520036731896 is an abundant number, since it is smaller than the sum of its proper divisors (2280088461144).

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

1520036731896 is a wasteful number, since it uses less digits than its factorization.

1520036731896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556063 (or 556059 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 1520036731896 in words is "one trillion, five hundred twenty billion, thirty-six million, seven hundred thirty-one thousand, eight hundred ninety-six".