2125655161057 has 8 divisors (see below), whose sum is σ = 2135638358784. Its totient is φ = 2115689372688.

The previous prime is 2125655161027. The next prime is 2125655161081. The reversal of 2125655161057 is 7501615565212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125655161057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2125655160998 and 2125655161016.

It is not an unprimeable number, because it can be changed into a prime (2125655161027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4107538 + ... + 4595995.

It is an arithmetic number, because the mean of its divisors is an integer number (266954794848).

Almost surely, 2^{2125655161057} is an apocalyptic number.

It is an amenable number.

2125655161057 is a deficient number, since it is larger than the sum of its proper divisors (9983197727).

2125655161057 is an equidigital number, since it uses as much as digits as its factorization.

2125655161057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8704679.

The product of its (nonzero) digits is 630000, while the sum is 46.

The spelling of 2125655161057 in words is "two trillion, one hundred twenty-five billion, six hundred fifty-five million, one hundred sixty-one thousand, fifty-seven".