1412505156561 has 4 divisors (see below), whose sum is σ = 1883340208752. Its totient is φ = 941670104372.

The previous prime is 1412505156509. The next prime is 1412505156563. The reversal of 1412505156561 is 1656515052141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1412505156561 - 2¹¹ = 1412505154513 is a prime.

It is a super-2 number, since 2×1412505156561² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1412505156563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235417526091 + ... + 235417526096.

It is an arithmetic number, because the mean of its divisors is an integer number (470835052188).

Almost surely, 2^{1412505156561} is an apocalyptic number.

It is an amenable number.

1412505156561 is a deficient number, since it is larger than the sum of its proper divisors (470835052191).

1412505156561 is an equidigital number, since it uses as much as digits as its factorization.

1412505156561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470835052190.

The product of its (nonzero) digits is 180000, while the sum is 42.

The spelling of 1412505156561 in words is "one trillion, four hundred twelve billion, five hundred five million, one hundred fifty-six thousand, five hundred sixty-one".