1381186264125 has 16 divisors (see below), whose sum is σ = 2298293944128. Its totient is φ = 736632674000.

The previous prime is 1381186264111. The next prime is 1381186264193. The reversal of 1381186264125 is 5214626811831.

It is a happy number.

It is not a de Polignac number, because 1381186264125 - 2¹⁹ = 1381185739837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1841581311 + ... + 1841582060.

It is an arithmetic number, because the mean of its divisors is an integer number (143643371508).

Almost surely, 2^{1381186264125} is an apocalyptic number.

1381186264125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1381186264125 is a deficient number, since it is larger than the sum of its proper divisors (917107680003).

1381186264125 is an equidigital number, since it uses as much as digits as its factorization.

1381186264125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683163389 (or 3683163379 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The spelling of 1381186264125 in words is "one trillion, three hundred eighty-one billion, one hundred eighty-six million, two hundred sixty-four thousand, one hundred twenty-five".