11156417352340 has 36 divisors (see below), whose sum is σ = 25369296981084. Its totient is φ = 4119292559616.

The previous prime is 11156417352307. The next prime is 11156417352349. The reversal of 11156417352340 is 4325371465111.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3307465998736 + 7848951353604 = 1818644^2 + 2801598^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11156417352349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1650354217 + ... + 1650360976.

It is an arithmetic number, because the mean of its divisors is an integer number (704702693919).

Almost surely, 2^{11156417352340} is an apocalyptic number.

11156417352340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11156417352340 is an abundant number, since it is smaller than the sum of its proper divisors (14212879628744).

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

11156417352340 is a wasteful number, since it uses less digits than its factorization.

11156417352340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300715228 (or 3300715213 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 11156417352340 in words is "eleven trillion, one hundred fifty-six billion, four hundred seventeen million, three hundred fifty-two thousand, three hundred forty".