1872426111297 has 8 divisors (see below), whose sum is σ = 2853220741056. Its totient is φ = 1069957777872.

The previous prime is 1872426111287. The next prime is 1872426111307. The reversal of 1872426111297 is 7921116242781.

It is an interprime number because it is at equal distance from previous prime (1872426111287) and next prime (1872426111307).

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

It is not a de Polignac number, because 1872426111297 - 2³² = 1868131144001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1872426111217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44581574058 + ... + 44581574099.

It is an arithmetic number, because the mean of its divisors is an integer number (356652592632).

Almost surely, 2^{1872426111297} is an apocalyptic number.

It is an amenable number.

1872426111297 is a deficient number, since it is larger than the sum of its proper divisors (980794629759).

1872426111297 is an equidigital number, since it uses as much as digits as its factorization.

1872426111297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89163148167.

The product of its digits is 677376, while the sum is 51.

The spelling of 1872426111297 in words is "one trillion, eight hundred seventy-two billion, four hundred twenty-six million, one hundred eleven thousand, two hundred ninety-seven".