1376794742085 has 512 divisors, whose sum is σ = 3120605429760. Its totient is φ = 561663590400.

The previous prime is 1376794742053. The next prime is 1376794742093. The reversal of 1376794742085 is 5802474976731.

1376794742085 is a `hidden beast` number, since 1 + 3 + 7 + 67 + 9 + 474 + 20 + 85 = 666.

It is not a de Polignac number, because 1376794742085 - 2⁵ = 1376794742053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 7208349340 + ... + 7208349530.

It is an arithmetic number, because the mean of its divisors is an integer number (6094932480).

It is a 1-persistent number, because it is pandigital, but 2⋅1376794742085 = 2753589484170 is not.

Almost surely, 2^{1376794742085} is an apocalyptic number.

1376794742085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1376794742085 is an abundant number, since it is smaller than the sum of its proper divisors (1743810687675).

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

1376794742085 is a wasteful number, since it uses less digits than its factorization.

1376794742085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 63.

The spelling of 1376794742085 in words is "one trillion, three hundred seventy-six billion, seven hundred ninety-four million, seven hundred forty-two thousand, eighty-five".