1053521481127 has 4 divisors (see below), whose sum is σ = 1115493332976. Its totient is φ = 991549629280.

The previous prime is 1053521481113. The next prime is 1053521481149. The reversal of 1053521481127 is 7211841253501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1053521481127 - 2¹¹ = 1053521479079 is a prime.

It is a super-2 number, since 2×1053521481127² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053521481127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053521481107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30985925899 + ... + 30985925932.

It is an arithmetic number, because the mean of its divisors is an integer number (278873333244).

Almost surely, 2^{1053521481127} is an apocalyptic number.

1053521481127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1053521481127 is a deficient number, since it is larger than the sum of its proper divisors (61971851849).

1053521481127 is an equidigital number, since it uses as much as digits as its factorization.

1053521481127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61971851848.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 1053521481127 in words is "one trillion, fifty-three billion, five hundred twenty-one million, four hundred eighty-one thousand, one hundred twenty-seven".