1054041153521 has 4 divisors (see below), whose sum is σ = 1057930604544. Its totient is φ = 1050151702500.

The previous prime is 1054041153509. The next prime is 1054041153533. The reversal of 1054041153521 is 1253511404501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1054041153509) and next prime (1054041153533).

It is a cyclic number.

It is not a de Polignac number, because 1054041153521 - 2¹⁰ = 1054041152497 is a prime.

It is a super-2 number, since 2×1054041153521² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1054041153421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1944725105 + ... + 1944725646.

It is an arithmetic number, because the mean of its divisors is an integer number (264482651136).

Almost surely, 2^{1054041153521} is an apocalyptic number.

It is an amenable number.

1054041153521 is a deficient number, since it is larger than the sum of its proper divisors (3889451023).

1054041153521 is an equidigital number, since it uses as much as digits as its factorization.

1054041153521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889451022.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 1054041153521 in words is "one trillion, fifty-four billion, forty-one million, one hundred fifty-three thousand, five hundred twenty-one".