2571591147045 has 16 divisors (see below), whose sum is σ = 4136087964672. Its totient is φ = 1364334568640.

The previous prime is 2571591147029. The next prime is 2571591147049. The reversal of 2571591147045 is 5407411951752.

It is a happy number.

It is not a de Polignac number, because 2571591147045 - 2⁴ = 2571591147029 is a prime.

It is a super-2 number, since 2×2571591147045² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2571591147049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448791402 + ... + 448797131.

It is an arithmetic number, because the mean of its divisors is an integer number (258505497792).

Almost surely, 2^{2571591147045} is an apocalyptic number.

It is an amenable number.

2571591147045 is a deficient number, since it is larger than the sum of its proper divisors (1564496817627).

2571591147045 is a wasteful number, since it uses less digits than its factorization.

2571591147045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897588732.

The product of its (nonzero) digits is 1764000, while the sum is 51.

The spelling of 2571591147045 in words is "two trillion, five hundred seventy-one billion, five hundred ninety-one million, one hundred forty-seven thousand, forty-five".