1053203643525 has 48 divisors (see below), whose sum is σ = 1914554032128. Its totient is φ = 506623320000.

The previous prime is 1053203643419. The next prime is 1053203643539. The reversal of 1053203643525 is 5253463023501.

It is not a de Polignac number, because 1053203643525 - 2¹² = 1053203639429 is a prime.

It is a super-2 number, since 2×1053203643525² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4921251 + ... + 5130800.

It is an arithmetic number, because the mean of its divisors is an integer number (39886542336).

Almost surely, 2^{1053203643525} is an apocalyptic number.

1053203643525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1053203643525 is a deficient number, since it is larger than the sum of its proper divisors (861350388603).

1053203643525 is a wasteful number, since it uses less digits than its factorization.

1053203643525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052202 (or 10052197 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 39.

The spelling of 1053203643525 in words is "one trillion, fifty-three billion, two hundred three million, six hundred forty-three thousand, five hundred twenty-five".