2125414455541 has 4 divisors (see below), whose sum is σ = 2288907875212. Its totient is φ = 1961921035872.

The previous prime is 2125414455517. The next prime is 2125414455551. The reversal of 2125414455541 is 1455544145212.

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 555242561316 + 1570171894225 = 745146^2 + 1253065^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125414455541 - 2¹¹ = 2125414453493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125414455551) 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, 81746709816 + ... + 81746709841.

It is an arithmetic number, because the mean of its divisors is an integer number (572226968803).

Almost surely, 2^{2125414455541} is an apocalyptic number.

It is an amenable number.

2125414455541 is a deficient number, since it is larger than the sum of its proper divisors (163493419671).

2125414455541 is a wasteful number, since it uses less digits than its factorization.

2125414455541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163493419670.

The product of its digits is 640000, while the sum is 43.

The spelling of 2125414455541 in words is "two trillion, one hundred twenty-five billion, four hundred fourteen million, four hundred fifty-five thousand, five hundred forty-one".