1053522613537 has 8 divisors (see below), whose sum is σ = 1071109647720. Its totient is φ = 1035945778560.

The previous prime is 1053522613523. The next prime is 1053522613589. The reversal of 1053522613537 is 7353162253501.

It can be written as a sum of positive squares in 4 ways, for example, as 458540248336 + 594982365201 = 677156^2 + 771351^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1053522613537 is a prime.

It is a super-2 number, since 2×1053522613537² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1053522613493 and 1053522613502.

It is not an unprimeable number, because it can be changed into a prime (1053522613597) 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, 2341348 + ... + 2754805.

It is an arithmetic number, because the mean of its divisors is an integer number (133888705965).

Almost surely, 2^{1053522613537} is an apocalyptic number.

It is an amenable number.

1053522613537 is a deficient number, since it is larger than the sum of its proper divisors (17587034183).

1053522613537 is an equidigital number, since it uses as much as digits as its factorization.

1053522613537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099603.

The product of its (nonzero) digits is 567000, while the sum is 43.

The spelling of 1053522613537 in words is "one trillion, fifty-three billion, five hundred twenty-two million, six hundred thirteen thousand, five hundred thirty-seven".