11031205111152 has 40 divisors (see below), whose sum is σ = 28654723428240. Its totient is φ = 3656753072640.

The previous prime is 11031205111133. The next prime is 11031205111153. The reversal of 11031205111152 is 25111150213011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031205111153) 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, 634844277 + ... + 634861652.

It is an arithmetic number, because the mean of its divisors is an integer number (716368085706).

Almost surely, 2^{11031205111152} is an apocalyptic number.

11031205111152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11031205111152 is an abundant number, since it is smaller than the sum of its proper divisors (17623518317088).

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

11031205111152 is a wasteful number, since it uses less digits than its factorization.

11031205111152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269706121 (or 1269706115 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 24.

Adding to 11031205111152 its reverse (25111150213011), we get a palindrome (36142355324163).

The spelling of 11031205111152 in words is "eleven trillion, thirty-one billion, two hundred five million, one hundred eleven thousand, one hundred fifty-two".