1054521550309 has 8 divisors (see below), whose sum is σ = 1061625375000. Its totient is φ = 1047418079232.

The previous prime is 1054521550289. The next prime is 1054521550367. The reversal of 1054521550309 is 9030551254501.

It can be written as a sum of positive squares in 4 ways, for example, as 131970905284 + 922550645025 = 363278^2 + 960495^2 .

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 1054521550309 - 2¹⁵ = 1054521517541 is a prime.

It is a super-2 number, since 2×1054521550309² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054521550409) 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, 9092317 + ... + 9207565.

It is an arithmetic number, because the mean of its divisors is an integer number (132703171875).

Almost surely, 2^{1054521550309} is an apocalyptic number.

It is an amenable number.

1054521550309 is a deficient number, since it is larger than the sum of its proper divisors (7103824691).

1054521550309 is a wasteful number, since it uses less digits than its factorization.

1054521550309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176807.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 1054521550309 in words is "one trillion, fifty-four billion, five hundred twenty-one million, five hundred fifty thousand, three hundred nine".