11231203095 has 64 divisors (see below), whose sum is σ = 22919040000. Its totient is φ = 5111745408.

The previous prime is 11231203091. The next prime is 11231203097. The reversal of 11231203095 is 59030213211.

It is not a de Polignac number, because 11231203095 - 2² = 11231203091 is a prime.

It is a super-2 number, since 2×11231203095² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231203091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190456 + ... + 242354.

It is an arithmetic number, because the mean of its divisors is an integer number (358110000).

Almost surely, 2^11231203095 is an apocalyptic number.

11231203095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11231203095 is an abundant number, since it is smaller than the sum of its proper divisors (11687836905).

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

11231203095 is a wasteful number, since it uses less digits than its factorization.

11231203095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52149 (or 52143 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The spelling of 11231203095 in words is "eleven billion, two hundred thirty-one million, two hundred three thousand, ninety-five".