385553342011 has 8 divisors (see below), whose sum is σ = 398050083200. Its totient is φ = 373060321920.

The previous prime is 385553341991. The next prime is 385553342017. The reversal of 385553342011 is 110243355583.

It is a happy number.

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 385553342011 - 2¹⁹ = 385552817723 is a prime.

It is a super-2 number, since 2×385553342011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385553342017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718926 + ... + 1134883.

It is an arithmetic number, because the mean of its divisors is an integer number (49756260400).

Almost surely, 2^385553342011 is an apocalyptic number.

385553342011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

385553342011 is a deficient number, since it is larger than the sum of its proper divisors (12496741189).

385553342011 is a wasteful number, since it uses less digits than its factorization.

385553342011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860549.

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 385553342011 its reverse (110243355583), we get a palindrome (495796697594).

The spelling of 385553342011 in words is "three hundred eighty-five billion, five hundred fifty-three million, three hundred forty-two thousand, eleven".