1377815402072 has 16 divisors (see below), whose sum is σ = 2586114705240. Its totient is φ = 688184814016.

The previous prime is 1377815402023. The next prime is 1377815402099. The reversal of 1377815402072 is 2702045187731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90352778 + ... + 90368025.

Almost surely, 2^{1377815402072} is an apocalyptic number.

It is an amenable number.

1377815402072 is a deficient number, since it is larger than the sum of its proper divisors (1208299303168).

1377815402072 is a wasteful number, since it uses less digits than its factorization.

1377815402072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180721762 (or 180721758 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 1377815402072 in words is "one trillion, three hundred seventy-seven billion, eight hundred fifteen million, four hundred two thousand, seventy-two".