2071125521 has 8 divisors (see below), whose sum is σ = 2193661440. Its totient is φ = 1948667968.

The previous prime is 2071125461. The next prime is 2071125611. The reversal of 2071125521 is 1255211702.

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-2071125521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2071125421) 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, 40040 + ... + 75798.

It is an arithmetic number, because the mean of its divisors is an integer number (274207680).

Almost surely, 2^2071125521 is an apocalyptic number.

It is an amenable number.

2071125521 is a deficient number, since it is larger than the sum of its proper divisors (122535919).

2071125521 is a wasteful number, since it uses less digits than its factorization.

2071125521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39183.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 2071125521 is about 45509.6200928990. The cubic root of 2071125521 is about 1274.6828422461.

The spelling of 2071125521 in words is "two billion, seventy-one million, one hundred twenty-five thousand, five hundred twenty-one".