1120040331551 has 4 divisors (see below), whose sum is σ = 1126911744792. Its totient is φ = 1113168918312.

The previous prime is 1120040331541. The next prime is 1120040331559. The reversal of 1120040331551 is 1551330400211.

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 1120040331551 - 2¹⁴ = 1120040315167 is a prime.

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 1120040331551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120040331559) 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, 3435706376 + ... + 3435706701.

It is an arithmetic number, because the mean of its divisors is an integer number (281727936198).

Almost surely, 2^{1120040331551} is an apocalyptic number.

1120040331551 is a deficient number, since it is larger than the sum of its proper divisors (6871413241).

1120040331551 is an equidigital number, since it uses as much as digits as its factorization.

1120040331551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871413240.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 1120040331551 its reverse (1551330400211), we get a palindrome (2671370731762).

The spelling of 1120040331551 in words is "one trillion, one hundred twenty billion, forty million, three hundred thirty-one thousand, five hundred fifty-one".