1381179863250 has 384 divisors, whose sum is σ = 4232426784768. Its totient is φ = 334253304000.

The previous prime is 1381179863237. The next prime is 1381179863263. The reversal of 1381179863250 is 523689711831.

1381179863250 is a `hidden beast` number, since 1 + 381 + 1 + 7 + 9 + 8 + 6 + 3 + 250 = 666.

It is an interprime number because it is at equal distance from previous prime (1381179863237) and next prime (1381179863263).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 485816329 + ... + 485819171.

It is an arithmetic number, because the mean of its divisors is an integer number (11021944752).

Almost surely, 2^{1381179863250} is an apocalyptic number.

1381179863250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1381179863250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2116213392384).

1381179863250 is an abundant number, since it is smaller than the sum of its proper divisors (2851246921518).

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

1381179863250 is a wasteful number, since it uses less digits than its factorization.

1381179863250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613 (or 3591 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 1381179863250 in words is "one trillion, three hundred eighty-one billion, one hundred seventy-nine million, eight hundred sixty-three thousand, two hundred fifty".