105025523545 has 8 divisors (see below), whose sum is σ = 126670378824. Its totient is φ = 83593918464.

The previous prime is 105025523513. The next prime is 105025523573. The reversal of 105025523545 is 545325520501.

It can be written as a sum of positive squares in 4 ways, for example, as 9016641936 + 96008881609 = 94956^2 + 309853^2 .

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 105025523545 - 2⁵ = 105025523513 is a prime.

It is a super-2 number, since 2×105025523545² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 53311464 + ... + 53313433.

It is an arithmetic number, because the mean of its divisors is an integer number (15833797353).

Almost surely, 2^105025523545 is an apocalyptic number.

It is an amenable number.

105025523545 is a deficient number, since it is larger than the sum of its proper divisors (21644855279).

105025523545 is a wasteful number, since it uses less digits than its factorization.

105025523545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106625099.

The product of its (nonzero) digits is 150000, while the sum is 37.

The spelling of 105025523545 in words is "one hundred five billion, twenty-five million, five hundred twenty-three thousand, five hundred forty-five".