11001052405381 has 8 divisors (see below), whose sum is σ = 11079862020864. Its totient is φ = 10922417729520.

The previous prime is 11001052405379. The next prime is 11001052405397. The reversal of 11001052405381 is 18350425010011.

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

It is a cyclic number.

It is not a de Polignac number, because 11001052405381 - 2¹ = 11001052405379 is a prime.

It is a super-2 number, since 2×11001052405381² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001052405081) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43608685 + ... + 43860226.

It is an arithmetic number, because the mean of its divisors is an integer number (1384982752608).

Almost surely, 2^{11001052405381} is an apocalyptic number.

It is an amenable number.

11001052405381 is a deficient number, since it is larger than the sum of its proper divisors (78809615483).

11001052405381 is an equidigital number, since it uses as much as digits as its factorization.

11001052405381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87469811.

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 11001052405381 its reverse (18350425010011), we get a palindrome (29351477415392).

The spelling of 11001052405381 in words is "eleven trillion, one billion, fifty-two million, four hundred five thousand, three hundred eighty-one".