1053544221545 has 8 divisors (see below), whose sum is σ = 1264568601024. Its totient is φ = 842625020464.

The previous prime is 1053544221533. The next prime is 1053544221617. The reversal of 1053544221545 is 5451224453501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1053544221545 - 2⁴ = 1053544221529 is a prime.

It is a super-2 number, since 2×1053544221545² (a number of 25 digits) contains 22 as substring.

It is a Duffinian 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, 26272559 + ... + 26312628.

It is an arithmetic number, because the mean of its divisors is an integer number (158071075128).

Almost surely, 2^{1053544221545} is an apocalyptic number.

It is an amenable number.

1053544221545 is a deficient number, since it is larger than the sum of its proper divisors (211024379479).

1053544221545 is an equidigital number, since it uses as much as digits as its factorization.

1053544221545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52589199.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 1053544221545 in words is "one trillion, fifty-three billion, five hundred forty-four million, two hundred twenty-one thousand, five hundred forty-five".