11745921135 has 32 divisors (see below), whose sum is σ = 20344056768. Its totient is φ = 5752627200.

The previous prime is 11745921133. The next prime is 11745921137. The reversal of 11745921135 is 53112954711.

11745921135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11745921133) and next prime (11745921137).

It is not a de Polignac number, because 11745921135 - 2¹ = 11745921133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 11745921093 and 11745921102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11745921133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118416 + ... + 193685.

It is an arithmetic number, because the mean of its divisors is an integer number (635751774).

Almost surely, 2^11745921135 is an apocalyptic number.

11745921135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11745921135 is a deficient number, since it is larger than the sum of its proper divisors (8598135633).

11745921135 is a wasteful number, since it uses less digits than its factorization.

11745921135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312315.

The product of its digits is 37800, while the sum is 39.

The spelling of 11745921135 in words is "eleven billion, seven hundred forty-five million, nine hundred twenty-one thousand, one hundred thirty-five".