1912540863567 has 16 divisors (see below), whose sum is σ = 2553129712640. Its totient is φ = 1273490229600.

The previous prime is 1912540863559. The next prime is 1912540863613. The reversal of 1912540863567 is 7653680452191.

It is not a de Polignac number, because 1912540863567 - 2³ = 1912540863559 is a prime.

It is a super-2 number, since 2×1912540863567² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912540863517) 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, 13115517 + ... + 13260537.

It is an arithmetic number, because the mean of its divisors is an integer number (159570607040).

It is a 1-persistent number, because it is pandigital, but 2⋅1912540863567 = 3825081727134 is not.

Almost surely, 2^{1912540863567} is an apocalyptic number.

1912540863567 is a deficient number, since it is larger than the sum of its proper divisors (640588849073).

1912540863567 is a wasteful number, since it uses less digits than its factorization.

1912540863567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150294.

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 1912540863567 in words is "one trillion, nine hundred twelve billion, five hundred forty million, eight hundred sixty-three thousand, five hundred sixty-seven".