2125155324501 has 64 divisors (see below), whose sum is σ = 3605913815040. Its totient is φ = 1224415336320.

The previous prime is 2125155324437. The next prime is 2125155324511. The reversal of 2125155324501 is 1054235515212.

2125155324501 is a `hidden beast` number, since 2 + 1 + 2 + 51 + 553 + 2 + 4 + 50 + 1 = 666.

It is not a de Polignac number, because 2125155324501 - 2⁶ = 2125155324437 is a prime.

It is a super-2 number, since 2×2125155324501² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125155324511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 159145 + ... + 2067761.

It is an arithmetic number, because the mean of its divisors is an integer number (56342403360).

Almost surely, 2^{2125155324501} is an apocalyptic number.

It is an amenable number.

2125155324501 is a deficient number, since it is larger than the sum of its proper divisors (1480758490539).

2125155324501 is a wasteful number, since it uses less digits than its factorization.

2125155324501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908823 (or 1908817 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 2125155324501 in words is "two trillion, one hundred twenty-five billion, one hundred fifty-five million, three hundred twenty-four thousand, five hundred one".