1151320450055 has 8 divisors (see below), whose sum is σ = 1383152745744. Its totient is φ = 920010889600.

The previous prime is 1151320450031. The next prime is 1151320450121. The reversal of 1151320450055 is 5500540231511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1151320450055 - 2⁶ = 1151320449991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130678961 + ... + 130687770.

It is an arithmetic number, because the mean of its divisors is an integer number (172894093218).

Almost surely, 2^{1151320450055} is an apocalyptic number.

1151320450055 is a deficient number, since it is larger than the sum of its proper divisors (231832295689).

1151320450055 is an equidigital number, since it uses as much as digits as its factorization.

1151320450055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261367617.

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 1151320450055 its reverse (5500540231511), we get a palindrome (6651860681566).

The spelling of 1151320450055 in words is "one trillion, one hundred fifty-one billion, three hundred twenty million, four hundred fifty thousand, fifty-five".