10571548081 has 4 divisors (see below), whose sum is σ = 10571872500. Its totient is φ = 10571223664.

The previous prime is 10571548069. The next prime is 10571548103. The reversal of 10571548081 is 18084517501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6370434225 + 4201113856 = 79815^2 + 64816^2 .

It is a cyclic number.

It is not a de Polignac number, because 10571548081 - 2¹³ = 10571539889 is a prime.

It is a super-2 number, since 2×10571548081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10571548021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107086 + ... + 180583.

It is an arithmetic number, because the mean of its divisors is an integer number (2642968125).

Almost surely, 2^10571548081 is an apocalyptic number.

It is an amenable number.

10571548081 is a deficient number, since it is larger than the sum of its proper divisors (324419).

10571548081 is an equidigital number, since it uses as much as digits as its factorization.

10571548081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324418.

The product of its (nonzero) digits is 44800, while the sum is 40.

The spelling of 10571548081 in words is "ten billion, five hundred seventy-one million, five hundred forty-eight thousand, eighty-one".