1021115450554 has 8 divisors (see below), whose sum is σ = 1532678875200. Its totient is φ = 510222492156.

The previous prime is 1021115450533. The next prime is 1021115450567. The reversal of 1021115450554 is 4550545111201.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167612754 + ... + 167618845.

It is an arithmetic number, because the mean of its divisors is an integer number (191584859400).

Almost surely, 2^{1021115450554} is an apocalyptic number.

1021115450554 is a deficient number, since it is larger than the sum of its proper divisors (511563424646).

1021115450554 is a wasteful number, since it uses less digits than its factorization.

1021115450554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335233124.

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 1021115450554 in words is "one trillion, twenty-one billion, one hundred fifteen million, four hundred fifty thousand, five hundred fifty-four".