1381848111 has 48 divisors (see below), whose sum is σ = 2420930304. Its totient is φ = 741457152.

The previous prime is 1381848109. The next prime is 1381848113. The reversal of 1381848111 is 1118481831.

It is an interprime number because it is at equal distance from previous prime (1381848109) and next prime (1381848113).

It is not a de Polignac number, because 1381848111 - 2¹ = 1381848109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381848113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 558900 + ... + 561366.

It is an arithmetic number, because the mean of its divisors is an integer number (50436048).

Almost surely, 2^1381848111 is an apocalyptic number.

1381848111 is a deficient number, since it is larger than the sum of its proper divisors (1039082193).

1381848111 is a wasteful number, since it uses less digits than its factorization.

1381848111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020 (or 3017 counting only the distinct ones).

The product of its digits is 6144, while the sum is 36.

The square root of 1381848111 is about 37173.2176573403. The cubic root of 1381848111 is about 1113.8330571744.

The spelling of 1381848111 in words is "one billion, three hundred eighty-one million, eight hundred forty-eight thousand, one hundred eleven".