9994520003572 has 96 divisors (see below), whose sum is σ = 19338971297184. Its totient is φ = 4491002880000.

The previous prime is 9994520003561. The next prime is 9994520003597. The reversal of 9994520003572 is 2753000254999.

It can be written as a sum of positive squares in 16 ways, for example, as 3594004557796 + 6400515445776 = 1895786^2 + 2529924^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1586176822 + ... + 1586183122.

It is an arithmetic number, because the mean of its divisors is an integer number (201447617679).

Almost surely, 2^{9994520003572} is an apocalyptic number.

It is an amenable number.

9994520003572 is a deficient number, since it is larger than the sum of its proper divisors (9344451293612).

9994520003572 is a wasteful number, since it uses less digits than its factorization.

9994520003572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10709 (or 10707 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 9994520003572 in words is "nine trillion, nine hundred ninety-four billion, five hundred twenty million, three thousand, five hundred seventy-two".