1153420055 has 8 divisors (see below), whose sum is σ = 1421512512. Its totient is φ = 897797088.

The previous prime is 1153420043. The next prime is 1153420057. The reversal of 1153420055 is 5500243511.

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

It is a cyclic number.

It is not a de Polignac number, because 1153420055 - 2⁴ = 1153420039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153420057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3117167 + ... + 3117536.

It is an arithmetic number, because the mean of its divisors is an integer number (177689064).

Almost surely, 2^1153420055 is an apocalyptic number.

1153420055 is a deficient number, since it is larger than the sum of its proper divisors (268092457).

1153420055 is an equidigital number, since it uses as much as digits as its factorization.

1153420055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234745.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1153420055 is about 33962.0384399994. The cubic root of 1153420055 is about 1048.7271211997.

Adding to 1153420055 its reverse (5500243511), we get a palindrome (6653663566).

The spelling of 1153420055 in words is "one billion, one hundred fifty-three million, four hundred twenty thousand, fifty-five".