263026531053 has 144 divisors (see below), whose sum is σ = 461686889664. Its totient is φ = 142244605440.

The previous prime is 263026531021. The next prime is 263026531057. The reversal of 263026531053 is 350135620362.

263026531053 is a `hidden beast` number, since 2 + 6 + 30 + 265 + 310 + 53 = 666.

It is not a de Polignac number, because 263026531053 - 2⁵ = 263026531021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263026530999 and 263026531017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263026531057) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 254623425 + ... + 254624457.

It is an arithmetic number, because the mean of its divisors is an integer number (3206158956).

Almost surely, 2^263026531053 is an apocalyptic number.

It is an amenable number.

263026531053 is a deficient number, since it is larger than the sum of its proper divisors (198660358611).

263026531053 is a wasteful number, since it uses less digits than its factorization.

263026531053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The spelling of 263026531053 in words is "two hundred sixty-three billion, twenty-six million, five hundred thirty-one thousand, fifty-three".