1130045531521 has 4 divisors (see below), whose sum is σ = 1130207366592. Its totient is φ = 1129883696452.

The previous prime is 1130045531443. The next prime is 1130045531569. The reversal of 1130045531521 is 1251355400311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1130045531521 - 2¹³ = 1130045523329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130045531581) 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, 80907061 + ... + 80921026.

It is an arithmetic number, because the mean of its divisors is an integer number (282551841648).

Almost surely, 2^{1130045531521} is an apocalyptic number.

It is an amenable number.

1130045531521 is a deficient number, since it is larger than the sum of its proper divisors (161835071).

1130045531521 is an equidigital number, since it uses as much as digits as its factorization.

1130045531521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161835070.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 1130045531521 in words is "one trillion, one hundred thirty billion, forty-five million, five hundred thirty-one thousand, five hundred twenty-one".