11391853454 has 8 divisors (see below), whose sum is σ = 17088298488. Its totient is φ = 5695753960.

The previous prime is 11391853439. The next prime is 11391853469. The reversal of 11391853454 is 45435819311.

It is an interprime number because it is at equal distance from previous prime (11391853439) and next prime (11391853469).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24509 + ... + 152919.

It is an arithmetic number, because the mean of its divisors is an integer number (2136037311).

Almost surely, 2^11391853454 is an apocalyptic number.

11391853454 is a deficient number, since it is larger than the sum of its proper divisors (5696445034).

11391853454 is a wasteful number, since it uses less digits than its factorization.

11391853454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172770.

The product of its digits is 259200, while the sum is 44.

The spelling of 11391853454 in words is "eleven billion, three hundred ninety-one million, eight hundred fifty-three thousand, four hundred fifty-four".