2048021571761 has 8 divisors (see below), whose sum is σ = 2311246915200. Its totient is φ = 1797636489040.

The previous prime is 2048021571733. The next prime is 2048021571781. The reversal of 2048021571761 is 1671751208402.

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 2048021571761 - 2⁶ = 2048021571697 is a prime.

It is a super-2 number, since 2×2048021571761² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2048021571731) 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, 3210064841 + ... + 3210065478.

It is an arithmetic number, because the mean of its divisors is an integer number (288905864400).

Almost surely, 2^{2048021571761} is an apocalyptic number.

It is an amenable number.

2048021571761 is a deficient number, since it is larger than the sum of its proper divisors (263225343439).

2048021571761 is a wasteful number, since it uses less digits than its factorization.

2048021571761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420130359.

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 2048021571761 in words is "two trillion, forty-eight billion, twenty-one million, five hundred seventy-one thousand, seven hundred sixty-one".