1043026505253 has 12 divisors (see below), whose sum is σ = 1595217008268. Its totient is φ = 654448003200.

The previous prime is 1043026505251. The next prime is 1043026505273. The reversal of 1043026505253 is 3525056203401.

1043026505253 is a `hidden beast` number, since 104 + 3 + 0 + 26 + 5 + 0 + 525 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 901829424609 + 141197080644 = 949647^2 + 375762^2 .

It is not a de Polignac number, because 1043026505253 - 2¹ = 1043026505251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043026505251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3408583198 + ... + 3408583503.

It is an arithmetic number, because the mean of its divisors is an integer number (132934750689).

Almost surely, 2^{1043026505253} is an apocalyptic number.

It is an amenable number.

1043026505253 is a deficient number, since it is larger than the sum of its proper divisors (552190503015).

1043026505253 is a wasteful number, since it uses less digits than its factorization.

1043026505253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6817166724 (or 6817166721 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 1043026505253 in words is "one trillion, forty-three billion, twenty-six million, five hundred five thousand, two hundred fifty-three".