11940111115454 has 4 divisors (see below), whose sum is σ = 17910166673184. Its totient is φ = 5970055557726.

The previous prime is 11940111115453. The next prime is 11940111115469. The reversal of 11940111115454 is 45451111104911.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×11940111115454² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11940111115453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2985027778862 + ... + 2985027778865.

It is an arithmetic number, because the mean of its divisors is an integer number (4477541668296).

Almost surely, 2^{11940111115454} is an apocalyptic number.

11940111115454 is a deficient number, since it is larger than the sum of its proper divisors (5970055557730).

11940111115454 is an equidigital number, since it uses as much as digits as its factorization.

11940111115454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970055557729.

The product of its (nonzero) digits is 14400, while the sum is 38.

The spelling of 11940111115454 in words is "eleven trillion, nine hundred forty billion, one hundred eleven million, one hundred fifteen thousand, four hundred fifty-four".