263053251560 has 128 divisors (see below), whose sum is σ = 705711191040. Its totient is φ = 87124684800.

The previous prime is 263053251523. The next prime is 263053251569. The reversal of 263053251560 is 65152350362.

It is not an unprimeable number, because it can be changed into a prime (263053251569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335339 + ... + 799098.

It is an arithmetic number, because the mean of its divisors is an integer number (5513368680).

Almost surely, 2^263053251560 is an apocalyptic number.

263053251560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263053251560 is an abundant number, since it is smaller than the sum of its proper divisors (442657939480).

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

263053251560 is a wasteful number, since it uses less digits than its factorization.

263053251560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134507 (or 1134503 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 263053251560 in words is "two hundred sixty-three billion, fifty-three million, two hundred fifty-one thousand, five hundred sixty".