1445554553201 has 8 divisors (see below), whose sum is σ = 1577942661600. Its totient is φ = 1313328787840.

The previous prime is 1445554553173. The next prime is 1445554553213. The reversal of 1445554553201 is 1023554555441.

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 a de Polignac number, because none of the positive numbers 2^k-1445554553201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445554553251) 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, 40567136 + ... + 40602753.

It is an arithmetic number, because the mean of its divisors is an integer number (197242832700).

Almost surely, 2^{1445554553201} is an apocalyptic number.

1445554553201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1445554553201 is a deficient number, since it is larger than the sum of its proper divisors (132388108399).

1445554553201 is a wasteful number, since it uses less digits than its factorization.

1445554553201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81171519.

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 1445554553201 in words is "one trillion, four hundred forty-five billion, five hundred fifty-four million, five hundred fifty-three thousand, two hundred one".