1021485311745 has 8 divisors (see below), whose sum is σ = 1634376498816. Its totient is φ = 544792166256.

The previous prime is 1021485311681. The next prime is 1021485311753. The reversal of 1021485311745 is 5471135841201.

1021485311745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1021485311745 - 2⁶ = 1021485311681 is a prime.

It is a super-2 number, since 2×1021485311745² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021485311697 and 1021485311706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34049510377 + ... + 34049510406.

It is an arithmetic number, because the mean of its divisors is an integer number (204297062352).

Almost surely, 2^{1021485311745} is an apocalyptic number.

1021485311745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1021485311745 is a deficient number, since it is larger than the sum of its proper divisors (612891187071).

1021485311745 is an equidigital number, since it uses as much as digits as its factorization.

1021485311745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68099020791.

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 1021485311745 in words is "one trillion, twenty-one billion, four hundred eighty-five million, three hundred eleven thousand, seven hundred forty-five".