1036381547521 has 8 divisors (see below), whose sum is σ = 1048066007040. Its totient is φ = 1024697970912.

The previous prime is 1036381547491. The next prime is 1036381547549. The reversal of 1036381547521 is 1257451836301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1036381547521 - 2¹⁷ = 1036381416449 is a prime.

It is a super-3 number, since 3×1036381547521³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1036381547581) 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, 2301696 + ... + 2714878.

It is an arithmetic number, because the mean of its divisors is an integer number (131008250880).

Almost surely, 2^{1036381547521} is an apocalyptic number.

It is an amenable number.

1036381547521 is a deficient number, since it is larger than the sum of its proper divisors (11684459519).

1036381547521 is an equidigital number, since it uses as much as digits as its factorization.

1036381547521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441455.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 1036381547521 in words is "one trillion, thirty-six billion, three hundred eighty-one million, five hundred forty-seven thousand, five hundred twenty-one".