1377370661143 has 2 divisors, whose sum is σ = 1377370661144. Its totient is φ = 1377370661142.

The previous prime is 1377370661111. The next prime is 1377370661273. The reversal of 1377370661143 is 3411660737731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1377370661143 - 2⁵ = 1377370661111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377370661743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688685330571 + 688685330572.

It is an arithmetic number, because the mean of its divisors is an integer number (688685330572).

Almost surely, 2^{1377370661143} is an apocalyptic number.

1377370661143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377370661143 is an equidigital number, since it uses as much as digits as its factorization.

1377370661143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 1377370661143 in words is "one trillion, three hundred seventy-seven billion, three hundred seventy million, six hundred sixty-one thousand, one hundred forty-three".