1054254521143 has 8 divisors (see below), whose sum is σ = 1066234498560. Its totient is φ = 1042316506080.

The previous prime is 1054254521119. The next prime is 1054254521147. The reversal of 1054254521143 is 3411254524501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1054254521143 is a prime.

It is a super-2 number, since 2×1054254521143² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054254521147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10440055 + ... + 10540552.

It is an arithmetic number, because the mean of its divisors is an integer number (133279312320).

Almost surely, 2^{1054254521143} is an apocalyptic number.

1054254521143 is a deficient number, since it is larger than the sum of its proper divisors (11979977417).

1054254521143 is a wasteful number, since it uses less digits than its factorization.

1054254521143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20981177.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 1054254521143 in words is "one trillion, fifty-four billion, two hundred fifty-four million, five hundred twenty-one thousand, one hundred forty-three".