1513525212011 has 4 divisors (see below), whose sum is σ = 1513532274024. Its totient is φ = 1513518150000.

The previous prime is 1513525211987. The next prime is 1513525212019. The reversal of 1513525212011 is 1102125253151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1513525212011 - 2¹⁰ = 1513525210987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1513525212019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3199130 + ... + 3641631.

It is an arithmetic number, because the mean of its divisors is an integer number (378383068506).

Almost surely, 2^{1513525212011} is an apocalyptic number.

1513525212011 is a deficient number, since it is larger than the sum of its proper divisors (7062013).

1513525212011 is an equidigital number, since it uses as much as digits as its factorization.

1513525212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7062012.

The product of its (nonzero) digits is 3000, while the sum is 29.

The spelling of 1513525212011 in words is "one trillion, five hundred thirteen billion, five hundred twenty-five million, two hundred twelve thousand, eleven".