1225342047599 has 4 divisors (see below), whose sum is σ = 1229256878736. Its totient is φ = 1221427216464.

The previous prime is 1225342047593. The next prime is 1225342047607. The reversal of 1225342047599 is 9957402435221.

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 1225342047599 - 2⁴⁰ = 125830419823 is a prime.

It is a super-2 number, since 2×1225342047599² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1225342047599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225342047593) 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, 1957415099 + ... + 1957415724.

It is an arithmetic number, because the mean of its divisors is an integer number (307314219684).

Almost surely, 2^{1225342047599} is an apocalyptic number.

1225342047599 is a deficient number, since it is larger than the sum of its proper divisors (3914831137).

1225342047599 is an equidigital number, since it uses as much as digits as its factorization.

1225342047599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914831136.

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 1225342047599 in words is "one trillion, two hundred twenty-five billion, three hundred forty-two million, forty-seven thousand, five hundred ninety-nine".