1377815402107 has 4 divisors (see below), whose sum is σ = 1415053656256. Its totient is φ = 1340577147960.

The previous prime is 1377815402099. The next prime is 1377815402153. The reversal of 1377815402107 is 7012045187731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1377815402107 - 2³ = 1377815402099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377815409107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18619127019 + ... + 18619127092.

It is an arithmetic number, because the mean of its divisors is an integer number (353763414064).

Almost surely, 2^{1377815402107} is an apocalyptic number.

1377815402107 is a deficient number, since it is larger than the sum of its proper divisors (37238254149).

1377815402107 is an equidigital number, since it uses as much as digits as its factorization.

1377815402107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37238254148.

The product of its (nonzero) digits is 329280, while the sum is 46.

The spelling of 1377815402107 in words is "one trillion, three hundred seventy-seven billion, eight hundred fifteen million, four hundred two thousand, one hundred seven".