1061571052387 has 2 divisors, whose sum is σ = 1061571052388. Its totient is φ = 1061571052386.

The previous prime is 1061571052361. The next prime is 1061571052433. The reversal of 1061571052387 is 7832501751601.

1061571052387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (1061571052433) can be obtained adding 1061571052387 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1061571052387 - 2¹⁹ = 1061570528099 is a prime.

It is a super-2 number, since 2×1061571052387² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061571050387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530785526193 + 530785526194.

It is an arithmetic number, because the mean of its divisors is an integer number (530785526194).

Almost surely, 2^{1061571052387} is an apocalyptic number.

1061571052387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061571052387 is an equidigital number, since it uses as much as digits as its factorization.

1061571052387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 1061571052387 in words is "one trillion, sixty-one billion, five hundred seventy-one million, fifty-two thousand, three hundred eighty-seven".