11331121029975 has 72 divisors (see below), whose sum is σ = 22182335989632. Its totient is φ = 5504301619200.

The previous prime is 11331121029961. The next prime is 11331121029997. The reversal of 11331121029975 is 57992012113311.

11331121029975 is a `hidden beast` number, since 1 + 1 + 331 + 1 + 21 + 0 + 299 + 7 + 5 = 666.

It is not a de Polignac number, because 11331121029975 - 2⁴ = 11331121029959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11331121029975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47661822 + ... + 47898971.

It is an arithmetic number, because the mean of its divisors is an integer number (308087999856).

Almost surely, 2^{11331121029975} is an apocalyptic number.

11331121029975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11331121029975 is a deficient number, since it is larger than the sum of its proper divisors (10851214959657).

11331121029975 is a wasteful number, since it uses less digits than its factorization.

11331121029975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95560857 (or 95560849 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The spelling of 11331121029975 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-one million, twenty-nine thousand, nine hundred seventy-five".