2125614835561 has 8 divisors (see below), whose sum is σ = 2443316145984. Its totient is φ = 1811424037200.

The previous prime is 2125614835537. The next prime is 2125614835573. The reversal of 2125614835561 is 1655384165212.

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

It is a cyclic number.

It is not a de Polignac number, because 2125614835561 - 2²¹ = 2125612738409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125614835511) 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, 877626715 + ... + 877629136.

It is an arithmetic number, because the mean of its divisors is an integer number (305414518248).

Almost surely, 2^{2125614835561} is an apocalyptic number.

It is an amenable number.

2125614835561 is a deficient number, since it is larger than the sum of its proper divisors (317701310423).

2125614835561 is a wasteful number, since it uses less digits than its factorization.

2125614835561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755256031.

The product of its digits is 1728000, while the sum is 49.

The spelling of 2125614835561 in words is "two trillion, one hundred twenty-five billion, six hundred fourteen million, eight hundred thirty-five thousand, five hundred sixty-one".