1571001230061 has 64 divisors (see below), whose sum is σ = 2570773708800. Its totient is φ = 944758406592.

The previous prime is 1571001230059. The next prime is 1571001230131. The reversal of 1571001230061 is 1600321001751.

1571001230061 is a `hidden beast` number, since 1 + 571 + 0 + 0 + 1 + 2 + 30 + 0 + 61 = 666.

It is not a de Polignac number, because 1571001230061 - 2¹ = 1571001230059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1571001230761) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239965 + ... + 1788738.

It is an arithmetic number, because the mean of its divisors is an integer number (40168339200).

Almost surely, 2^{1571001230061} is an apocalyptic number.

It is an amenable number.

1571001230061 is a deficient number, since it is larger than the sum of its proper divisors (999772478739).

1571001230061 is a wasteful number, since it uses less digits than its factorization.

1571001230061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028807 (or 2028801 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The spelling of 1571001230061 in words is "one trillion, five hundred seventy-one billion, one million, two hundred thirty thousand, sixty-one".