1377666712552 has 32 divisors (see below), whose sum is σ = 2782246168800. Its totient is φ = 635750368704.

The previous prime is 1377666712519. The next prime is 1377666712567. The reversal of 1377666712552 is 2552176667731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302118 + ... + 1687189.

It is an arithmetic number, because the mean of its divisors is an integer number (86945192775).

Almost surely, 2^{1377666712552} is an apocalyptic number.

It is an amenable number.

1377666712552 is an abundant number, since it is smaller than the sum of its proper divisors (1404579456248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1377666712552 is a wasteful number, since it uses less digits than its factorization.

1377666712552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995985 (or 1995981 counting only the distinct ones).

The product of its digits is 22226400, while the sum is 58.

The spelling of 1377666712552 in words is "one trillion, three hundred seventy-seven billion, six hundred sixty-six million, seven hundred twelve thousand, five hundred fifty-two".