11345779135690 has 48 divisors (see below), whose sum is σ = 21352602041568. Its totient is φ = 4340248865568.

The previous prime is 11345779135687. The next prime is 11345779135709. The reversal of 11345779135690 is 9653197754311.

It is a happy number.

It is a super-2 number, since 2×11345779135690² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31151617 + ... + 31513723.

It is an arithmetic number, because the mean of its divisors is an integer number (444845875866).

Almost surely, 2^{11345779135690} is an apocalyptic number.

11345779135690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11345779135690 is a deficient number, since it is larger than the sum of its proper divisors (10006822905878).

11345779135690 is a wasteful number, since it uses less digits than its factorization.

11345779135690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368083 (or 368060 counting only the distinct ones).

The product of its (nonzero) digits is 21432600, while the sum is 61.

The spelling of 11345779135690 in words is "eleven trillion, three hundred forty-five billion, seven hundred seventy-nine million, one hundred thirty-five thousand, six hundred ninety".