1125532135513 has 8 divisors (see below), whose sum is σ = 1129543401600. Its totient is φ = 1121525737248.

The previous prime is 1125532135487. The next prime is 1125532135523. The reversal of 1125532135513 is 3155312355211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1125532135513 - 2⁹ = 1125532135001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125532135523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753381 + ... + 1678882.

It is an arithmetic number, because the mean of its divisors is an integer number (141192925200).

Almost surely, 2^{1125532135513} is an apocalyptic number.

It is an amenable number.

1125532135513 is a deficient number, since it is larger than the sum of its proper divisors (4011266087).

1125532135513 is a wasteful number, since it uses less digits than its factorization.

1125532135513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433911.

The product of its digits is 67500, while the sum is 37.

The spelling of 1125532135513 in words is "one trillion, one hundred twenty-five billion, five hundred thirty-two million, one hundred thirty-five thousand, five hundred thirteen".