10144761505 has 4 divisors (see below), whose sum is σ = 12173713812. Its totient is φ = 8115809200.

The previous prime is 10144761481. The next prime is 10144761533. The reversal of 10144761505 is 50516744101.

10144761505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7428371344 + 2716390161 = 86188^2 + 52119^2 .

It is not a de Polignac number, because 10144761505 - 2²¹ = 10142664353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014476146 + ... + 1014476155.

It is an arithmetic number, because the mean of its divisors is an integer number (3043428453).

Almost surely, 2^10144761505 is an apocalyptic number.

It is an amenable number.

10144761505 is a deficient number, since it is larger than the sum of its proper divisors (2028952307).

10144761505 is an equidigital number, since it uses as much as digits as its factorization.

10144761505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028952306.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 10144761505 in words is "ten billion, one hundred forty-four million, seven hundred sixty-one thousand, five hundred five".