10261235505 has 8 divisors (see below), whose sum is σ = 16417976832. Its totient is φ = 5472658928.

The previous prime is 10261235497. The next prime is 10261235521. The reversal of 10261235505 is 50553216201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10261235505 - 2³ = 10261235497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342041169 + ... + 342041198.

It is an arithmetic number, because the mean of its divisors is an integer number (2052247104).

Almost surely, 2^10261235505 is an apocalyptic number.

10261235505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10261235505 is a deficient number, since it is larger than the sum of its proper divisors (6156741327).

10261235505 is an equidigital number, since it uses as much as digits as its factorization.

10261235505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684082375.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 10261235505 in words is "ten billion, two hundred sixty-one million, two hundred thirty-five thousand, five hundred five".