2021025154504 has 16 divisors (see below), whose sum is σ = 3792111626700. Its totient is φ = 1009795387392.

The previous prime is 2021025154483. The next prime is 2021025154517. The reversal of 2021025154504 is 4054515201202.

It can be written as a sum of positive squares in 2 ways, for example, as 1830581940100 + 190443214404 = 1352990^2 + 436398^2 .

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, 89636757 + ... + 89659300.

Almost surely, 2^{2021025154504} is an apocalyptic number.

It is an amenable number.

2021025154504 is a deficient number, since it is larger than the sum of its proper divisors (1771086472196).

2021025154504 is a wasteful number, since it uses less digits than its factorization.

2021025154504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179297472 (or 179297468 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 2021025154504 in words is "two trillion, twenty-one billion, twenty-five million, one hundred fifty-four thousand, five hundred four".