1123625525641 has 4 divisors (see below), whose sum is σ = 1123635651712. Its totient is φ = 1123615399572.

The previous prime is 1123625525639. The next prime is 1123625525647. The reversal of 1123625525641 is 1465255263211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1123625525641 - 2¹ = 1123625525639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123625525647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4894725 + ... + 5119138.

It is an arithmetic number, because the mean of its divisors is an integer number (280908912928).

Almost surely, 2^{1123625525641} is an apocalyptic number.

It is an amenable number.

1123625525641 is a deficient number, since it is larger than the sum of its proper divisors (10126071).

1123625525641 is a wasteful number, since it uses less digits than its factorization.

1123625525641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126070.

The product of its digits is 432000, while the sum is 43.

The spelling of 1123625525641 in words is "one trillion, one hundred twenty-three billion, six hundred twenty-five million, five hundred twenty-five thousand, six hundred forty-one".