1021248041552 has 10 divisors (see below), whose sum is σ = 1978668080538. Its totient is φ = 510624020768.

The previous prime is 1021248041533. The next prime is 1021248041557. The reversal of 1021248041552 is 2551408421201.

It can be written as a sum of positive squares in only one way, i.e., 524877066256 + 496370975296 = 724484^2 + 704536^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021248041557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31914001283 + ... + 31914001314.

Almost surely, 2^{1021248041552} is an apocalyptic number.

It is an amenable number.

1021248041552 is a deficient number, since it is larger than the sum of its proper divisors (957420038986).

1021248041552 is an equidigital number, since it uses as much as digits as its factorization.

1021248041552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63828002605 (or 63828002599 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The spelling of 1021248041552 in words is "one trillion, twenty-one billion, two hundred forty-eight million, forty-one thousand, five hundred fifty-two".