3141878557145 has 8 divisors (see below), whose sum is σ = 3770421606600. Its totient is φ = 2513391287040.

The previous prime is 3141878557093. The next prime is 3141878557157. The reversal of 3141878557145 is 5417558781413.

It can be written as a sum of positive squares in 4 ways, for example, as 1114922698201 + 2026955858944 = 1055899^2 + 1423712^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3141878557145 - 2²⁴ = 3141861779929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13820816 + ... + 14046305.

It is an arithmetic number, because the mean of its divisors is an integer number (471302700825).

Almost surely, 2^{3141878557145} is an apocalyptic number.

It is an amenable number.

3141878557145 is a deficient number, since it is larger than the sum of its proper divisors (628543049455).

3141878557145 is a wasteful number, since it uses less digits than its factorization.

3141878557145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27889675.

The product of its digits is 18816000, while the sum is 59.

The spelling of 3141878557145 in words is "three trillion, one hundred forty-one billion, eight hundred seventy-eight million, five hundred fifty-seven thousand, one hundred forty-five".