1350442451561 has 8 divisors (see below), whose sum is σ = 1549511659584. Its totient is φ = 1152910458000.

The previous prime is 1350442451509. The next prime is 1350442451591. The reversal of 1350442451561 is 1651542440531.

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

It is not a de Polignac number, because 1350442451561 - 2⁶ = 1350442451497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1350442451591) 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, 384301730 + ... + 384305243.

It is an arithmetic number, because the mean of its divisors is an integer number (193688957448).

Almost surely, 2^{1350442451561} is an apocalyptic number.

It is an amenable number.

1350442451561 is a deficient number, since it is larger than the sum of its proper divisors (199069208023).

1350442451561 is an equidigital number, since it uses as much as digits as its factorization.

1350442451561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768607231.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 1350442451561 in words is "one trillion, three hundred fifty billion, four hundred forty-two million, four hundred fifty-one thousand, five hundred sixty-one".