1044355223541 has 24 divisors (see below), whose sum is σ = 1621151922144. Its totient is φ = 596282329440.

The previous prime is 1044355223537. The next prime is 1044355223557. The reversal of 1044355223541 is 1453225534401.

It is not a de Polignac number, because 1044355223541 - 2² = 1044355223537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1044355223541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044355223501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2750155 + ... + 3106776.

It is an arithmetic number, because the mean of its divisors is an integer number (67547996756).

Almost surely, 2^{1044355223541} is an apocalyptic number.

It is an amenable number.

1044355223541 is a deficient number, since it is larger than the sum of its proper divisors (576796698603).

1044355223541 is a wasteful number, since it uses less digits than its factorization.

1044355223541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858161 (or 5858154 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 1044355223541 in words is "one trillion, forty-four billion, three hundred fifty-five million, two hundred twenty-three thousand, five hundred forty-one".