1385477106015 has 128 divisors (see below), whose sum is σ = 2489124418560. Its totient is φ = 653954383872.

The previous prime is 1385477106011. The next prime is 1385477106031. The reversal of 1385477106015 is 5106017745831.

It is not a de Polignac number, because 1385477106015 - 2² = 1385477106011 is a prime.

It is a super-2 number, since 2×1385477106015² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385477106011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 489048039 + ... + 489050871.

It is an arithmetic number, because the mean of its divisors is an integer number (19446284520).

Almost surely, 2^{1385477106015} is an apocalyptic number.

1385477106015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1385477106015 is a deficient number, since it is larger than the sum of its proper divisors (1103647312545).

1385477106015 is a wasteful number, since it uses less digits than its factorization.

1385477106015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593.

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 1385477106015 in words is "one trillion, three hundred eighty-five billion, four hundred seventy-seven million, one hundred six thousand, fifteen".