10404948165121 has 4 divisors (see below), whose sum is σ = 10404955884244. Its totient is φ = 10404940446000.

The previous prime is 10404948165103. The next prime is 10404948165127. The reversal of 10404948165121 is 12156184940401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7059941273025 + 3345006892096 = 2657055^2 + 1828936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10404948165121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10404948165127) 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, 1249110 + ... + 4729711.

It is an arithmetic number, because the mean of its divisors is an integer number (2601238971061).

Almost surely, 2^{10404948165121} is an apocalyptic number.

It is an amenable number.

10404948165121 is a deficient number, since it is larger than the sum of its proper divisors (7719123).

10404948165121 is an equidigital number, since it uses as much as digits as its factorization.

10404948165121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7719122.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 10404948165121 in words is "ten trillion, four hundred four billion, nine hundred forty-eight million, one hundred sixty-five thousand, one hundred twenty-one".