2515534513012 has 6 divisors (see below), whose sum is σ = 4402185397778. Its totient is φ = 1257767256504.

The previous prime is 2515534512989. The next prime is 2515534513049. The reversal of 2515534513012 is 2103154355152.

It can be written as a sum of positive squares in only one way, i.e., 1949916203236 + 565618309776 = 1396394^2 + 752076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314441814123 + ... + 314441814130.

Almost surely, 2^{2515534513012} is an apocalyptic number.

It is an amenable number.

2515534513012 is a deficient number, since it is larger than the sum of its proper divisors (1886650884766).

2515534513012 is a wasteful number, since it uses less digits than its factorization.

2515534513012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628883628257 (or 628883628255 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 2515534513012 its reverse (2103154355152), we get a palindrome (4618688868164).

The spelling of 2515534513012 in words is "two trillion, five hundred fifteen billion, five hundred thirty-four million, five hundred thirteen thousand, twelve".