1011443505452 has 24 divisors (see below), whose sum is σ = 1863228822000. Its totient is φ = 479093654016.

The previous prime is 1011443505451. The next prime is 1011443505463. The reversal of 1011443505452 is 2545053441101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1011443505451) 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, 3780788 + ... + 4039460.

It is an arithmetic number, because the mean of its divisors is an integer number (77634534250).

Almost surely, 2^{1011443505452} is an apocalyptic number.

It is an amenable number.

1011443505452 is a deficient number, since it is larger than the sum of its proper divisors (851785316548).

1011443505452 is a wasteful number, since it uses less digits than its factorization.

1011443505452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310145 (or 310143 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 1011443505452 its reverse (2545053441101), we get a palindrome (3556496946553).

The spelling of 1011443505452 in words is "one trillion, eleven billion, four hundred forty-three million, five hundred five thousand, four hundred fifty-two".