1377341150561 has 8 divisors (see below), whose sum is σ = 1406666767104. Its totient is φ = 1348016387680.

The previous prime is 1377341150551. The next prime is 1377341150597. The reversal of 1377341150561 is 1650511437731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1377341150561 is a prime.

It is a super-2 number, since 2×1377341150561² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377341150501) 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, 3871181 + ... + 4211973.

It is an arithmetic number, because the mean of its divisors is an integer number (175833345888).

Almost surely, 2^{1377341150561} is an apocalyptic number.

It is an amenable number.

1377341150561 is a deficient number, since it is larger than the sum of its proper divisors (29325616543).

1377341150561 is an equidigital number, since it uses as much as digits as its factorization.

1377341150561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426831.

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 1377341150561 in words is "one trillion, three hundred seventy-seven billion, three hundred forty-one million, one hundred fifty thousand, five hundred sixty-one".