1125551522413 has 4 divisors (see below), whose sum is σ = 1133649015520. Its totient is φ = 1117454029308.

The previous prime is 1125551522401. The next prime is 1125551522419. The reversal of 1125551522413 is 3142251555211.

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 1125551522413 - 2¹³ = 1125551514221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125551522419) 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, 4048746345 + ... + 4048746622.

It is an arithmetic number, because the mean of its divisors is an integer number (283412253880).

Almost surely, 2^{1125551522413} is an apocalyptic number.

It is an amenable number.

1125551522413 is a deficient number, since it is larger than the sum of its proper divisors (8097493107).

1125551522413 is an equidigital number, since it uses as much as digits as its factorization.

1125551522413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8097493106.

The product of its digits is 60000, while the sum is 37.

The spelling of 1125551522413 in words is "one trillion, one hundred twenty-five billion, five hundred fifty-one million, five hundred twenty-two thousand, four hundred thirteen".