1015310533012 has 6 divisors (see below), whose sum is σ = 1776793432778. Its totient is φ = 507655266504.

The previous prime is 1015310532989. The next prime is 1015310533019. The reversal of 1015310533012 is 2103350135101.

It can be written as a sum of positive squares in only one way, i.e., 815362044676 + 199948488336 = 902974^2 + 447156^2 .

It is a super-2 number, since 2×1015310533012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015310533019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126913816623 + ... + 126913816630.

Almost surely, 2^{1015310533012} is an apocalyptic number.

It is an amenable number.

1015310533012 is a deficient number, since it is larger than the sum of its proper divisors (761482899766).

1015310533012 is a wasteful number, since it uses less digits than its factorization.

1015310533012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253827633257 (or 253827633255 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 1015310533012 its reverse (2103350135101), we get a palindrome (3118660668113).

The spelling of 1015310533012 in words is "one trillion, fifteen billion, three hundred ten million, five hundred thirty-three thousand, twelve".