1020351352015 has 8 divisors (see below), whose sum is σ = 1225015149888. Its totient is φ = 815885396640.

The previous prime is 1020351351997. The next prime is 1020351352091. The reversal of 1020351352015 is 5102531530201.

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

It is a de Polignac number, because none of the positive numbers 2^k-1020351352015 is a prime.

It is a super-2 number, since 2×1020351352015² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 49449276 + ... + 49469905.

It is an arithmetic number, because the mean of its divisors is an integer number (153126893736).

Almost surely, 2^{1020351352015} is an apocalyptic number.

1020351352015 is a deficient number, since it is larger than the sum of its proper divisors (204663797873).

1020351352015 is an equidigital number, since it uses as much as digits as its factorization.

1020351352015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98921249.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 1020351352015 its reverse (5102531530201), we get a palindrome (6122882882216).

The spelling of 1020351352015 in words is "one trillion, twenty billion, three hundred fifty-one million, three hundred fifty-two thousand, fifteen".