1156224300427 has 16 divisors (see below), whose sum is σ = 1367131161600. Its totient is φ = 956758753440.

The previous prime is 1156224300379. The next prime is 1156224300487. The reversal of 1156224300427 is 7240034226511.

It is not a de Polignac number, because 1156224300427 - 2²⁷ = 1156090082699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156224300487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344474 + ... + 2029792.

It is an arithmetic number, because the mean of its divisors is an integer number (85445697600).

Almost surely, 2^{1156224300427} is an apocalyptic number.

1156224300427 is a deficient number, since it is larger than the sum of its proper divisors (210906861173).

1156224300427 is an equidigital number, since it uses as much as digits as its factorization.

1156224300427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693666.

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 1156224300427 its reverse (7240034226511), we get a palindrome (8396258526938).

The spelling of 1156224300427 in words is "one trillion, one hundred fifty-six billion, two hundred twenty-four million, three hundred thousand, four hundred twenty-seven".