1377743215372 has 6 divisors (see below), whose sum is σ = 2411050626908. Its totient is φ = 688871607684.

The previous prime is 1377743215361. The next prime is 1377743215483. The reversal of 1377743215372 is 2735123477731.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172217901918 + ... + 172217901925.

Almost surely, 2^{1377743215372} is an apocalyptic number.

It is an amenable number.

1377743215372 is a deficient number, since it is larger than the sum of its proper divisors (1033307411536).

1377743215372 is a wasteful number, since it uses less digits than its factorization.

1377743215372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344435803847 (or 344435803845 counting only the distinct ones).

The product of its digits is 5186160, while the sum is 52.

The spelling of 1377743215372 in words is "one trillion, three hundred seventy-seven billion, seven hundred forty-three million, two hundred fifteen thousand, three hundred seventy-two".