11543421452014 has 16 divisors (see below), whose sum is σ = 18089145742752. Its totient is φ = 5514294585888.

The previous prime is 11543421451999. The next prime is 11543421452029. The reversal of 11543421452014 is 41025412434511.

It is an interprime number because it is at equal distance from previous prime (11543421451999) and next prime (11543421452029).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147055689 + ... + 147134164.

It is an arithmetic number, because the mean of its divisors is an integer number (1130571608922).

Almost surely, 2^{11543421452014} is an apocalyptic number.

11543421452014 is a deficient number, since it is larger than the sum of its proper divisors (6545724290738).

11543421452014 is a wasteful number, since it uses less digits than its factorization.

11543421452014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294190731.

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 11543421452014 its reverse (41025412434511), we get a palindrome (52568833886525).

The spelling of 11543421452014 in words is "eleven trillion, five hundred forty-three billion, four hundred twenty-one million, four hundred fifty-two thousand, fourteen".