1052521437520 has 40 divisors (see below), whose sum is σ = 2796699821184. Its totient is φ = 360864492672.

The previous prime is 1052521437497. The next prime is 1052521437523. The reversal of 1052521437520 is 257341252501.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1052521437520² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1052521437520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052521437523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939750724 + ... + 939751843.

Almost surely, 2^{1052521437520} is an apocalyptic number.

1052521437520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052521437520 is an abundant number, since it is smaller than the sum of its proper divisors (1744178383664).

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

1052521437520 is a wasteful number, since it uses less digits than its factorization.

1052521437520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879502587 (or 1879502581 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 1052521437520 in words is "one trillion, fifty-two billion, five hundred twenty-one million, four hundred thirty-seven thousand, five hundred twenty".