10542052505 has 4 divisors (see below), whose sum is σ = 12650463012. Its totient is φ = 8433642000.

The previous prime is 10542052487. The next prime is 10542052517. The reversal of 10542052505 is 50525024501.

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 2270331904 + 8271720601 = 47648^2 + 90949^2 .

It is not a de Polignac number, because 10542052505 - 2²⁰ = 10541003929 is a prime.

It is a super-2 number, since 2×10542052505² (a number of 21 digits) contains 22 as substring.

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, 1054205246 + ... + 1054205255.

It is an arithmetic number, because the mean of its divisors is an integer number (3162615753).

Almost surely, 2^10542052505 is an apocalyptic number.

It is an amenable number.

10542052505 is a deficient number, since it is larger than the sum of its proper divisors (2108410507).

10542052505 is an equidigital number, since it uses as much as digits as its factorization.

10542052505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108410506.

The product of its (nonzero) digits is 10000, while the sum is 29.

The spelling of 10542052505 in words is "ten billion, five hundred forty-two million, fifty-two thousand, five hundred five".