11031155201 has 8 divisors (see below), whose sum is σ = 12076513824. Its totient is φ = 9992884320.

The previous prime is 11031155171. The next prime is 11031155203. The reversal of 11031155201 is 10255113011.

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 11031155201 - 2⁶ = 11031155137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11031155203) 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, 1768676 + ... + 1774901.

It is an arithmetic number, because the mean of its divisors is an integer number (1509564228).

Almost surely, 2^11031155201 is an apocalyptic number.

11031155201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11031155201 is a deficient number, since it is larger than the sum of its proper divisors (1045358623).

11031155201 is a wasteful number, since it uses less digits than its factorization.

11031155201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3543871.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 11031155201 its reverse (10255113011), we get a palindrome (21286268212).

The spelling of 11031155201 in words is "eleven billion, thirty-one million, one hundred fifty-five thousand, two hundred one".