11381159136890 has 8 divisors (see below), whose sum is σ = 20486086446420. Its totient is φ = 4552463654752.

The previous prime is 11381159136871. The next prime is 11381159136953. The reversal of 11381159136890 is 9863195118311.

It can be written as a sum of positive squares in 2 ways, for example, as 10734580718689 + 646578418201 = 3276367^2 + 804101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569057956835 + ... + 569057956854.

Almost surely, 2^{11381159136890} is an apocalyptic number.

11381159136890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11381159136890 is a deficient number, since it is larger than the sum of its proper divisors (9104927309530).

11381159136890 is a wasteful number, since it uses less digits than its factorization.

11381159136890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138115913696.

The product of its (nonzero) digits is 1399680, while the sum is 56.

The spelling of 11381159136890 in words is "eleven trillion, three hundred eighty-one billion, one hundred fifty-nine million, one hundred thirty-six thousand, eight hundred ninety".