1053111012520 has 48 divisors (see below), whose sum is σ = 2756356889940. Its totient is φ = 361066632192.

The previous prime is 1053111012511. The next prime is 1053111012559. The reversal of 1053111012520 is 252101113501.

1053111012520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 991685355556 + 61425656964 = 995834^2 + 247842^2 .

It is a super-2 number, since 2×1053111012520² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053111012491 and 1053111012500.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268648809 + ... + 268652728.

Almost surely, 2^{1053111012520} is an apocalyptic number.

1053111012520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053111012520 is an abundant number, since it is smaller than the sum of its proper divisors (1703245877420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1053111012520 is a wasteful number, since it uses less digits than its factorization.

1053111012520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537301562 (or 537301551 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

The spelling of 1053111012520 in words is "one trillion, fifty-three billion, one hundred eleven million, twelve thousand, five hundred twenty".