2125554344501 has 4 divisors (see below), whose sum is σ = 2429204965152. Its totient is φ = 1821903723852.

The previous prime is 2125554344479. The next prime is 2125554344527. The reversal of 2125554344501 is 1054434555212.

It is a happy number.

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 2125554344501 - 2²² = 2125550150197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125554344401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151825310315 + ... + 151825310328.

It is an arithmetic number, because the mean of its divisors is an integer number (607301241288).

Almost surely, 2^{2125554344501} is an apocalyptic number.

It is an amenable number.

2125554344501 is a deficient number, since it is larger than the sum of its proper divisors (303650620651).

2125554344501 is an equidigital number, since it uses as much as digits as its factorization.

2125554344501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303650620650.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 2125554344501 its reverse (1054434555212), we get a palindrome (3179988899713).

The spelling of 2125554344501 in words is "two trillion, one hundred twenty-five billion, five hundred fifty-four million, three hundred forty-four thousand, five hundred one".