2123051525145 has 48 divisors (see below), whose sum is σ = 3939292843200. Its totient is φ = 1054518341760.

The previous prime is 2123051525041. The next prime is 2123051525227. The reversal of 2123051525145 is 5415251503212.

2123051525145 is a `hidden beast` number, since 2 + 12 + 30 + 51 + 52 + 514 + 5 = 666.

It is not a de Polignac number, because 2123051525145 - 2¹¹ = 2123051523097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20992786 + ... + 21093675.

It is an arithmetic number, because the mean of its divisors is an integer number (82068600900).

Almost surely, 2^{2123051525145} is an apocalyptic number.

It is an amenable number.

2123051525145 is a deficient number, since it is larger than the sum of its proper divisors (1816241318055).

2123051525145 is a wasteful number, since it uses less digits than its factorization.

2123051525145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42086550 (or 42086547 counting only the distinct ones).

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

The spelling of 2123051525145 in words is "two trillion, one hundred twenty-three billion, fifty-one million, five hundred twenty-five thousand, one hundred forty-five".