11401543454 has 8 divisors (see below), whose sum is σ = 19545503088. Its totient is φ = 4886375760.

The previous prime is 11401543429. The next prime is 11401543481. The reversal of 11401543454 is 45434510411.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11401543454.

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, 407197967 + ... + 407197994.

It is an arithmetic number, because the mean of its divisors is an integer number (2443187886).

Almost surely, 2^11401543454 is an apocalyptic number.

11401543454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11401543454 is a deficient number, since it is larger than the sum of its proper divisors (8143959634).

11401543454 is an equidigital number, since it uses as much as digits as its factorization.

11401543454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814395970.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 11401543454 in words is "eleven billion, four hundred one million, five hundred forty-three thousand, four hundred fifty-four".