1121111440413 has 16 divisors (see below), whose sum is σ = 1582790616576. Its totient is φ = 703422448640.

The previous prime is 1121111440403. The next prime is 1121111440459. The reversal of 1121111440413 is 3140441111211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1121111440413 - 2¹² = 1121111436317 is a prime.

It is a super-2 number, since 2×1121111440413² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121111440403) 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, 1611220 + ... + 2199602.

It is an arithmetic number, because the mean of its divisors is an integer number (98924413536).

Almost surely, 2^{1121111440413} is an apocalyptic number.

It is an amenable number.

1121111440413 is a deficient number, since it is larger than the sum of its proper divisors (461679176163).

1121111440413 is a wasteful number, since it uses less digits than its factorization.

1121111440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625764.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 1121111440413 its reverse (3140441111211), we get a palindrome (4261552551624).

The spelling of 1121111440413 in words is "one trillion, one hundred twenty-one billion, one hundred eleven million, four hundred forty thousand, four hundred thirteen".