55145135015 has 8 divisors (see below), whose sum is σ = 67582123200. Its totient is φ = 43177467232.

The previous prime is 55145135009. The next prime is 55145135077. The reversal of 55145135015 is 51053154155.

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 55145135015 - 2¹⁰ = 55145133991 is a prime.

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, 117329840 + ... + 117330309.

It is an arithmetic number, because the mean of its divisors is an integer number (8447765400).

Almost surely, 2^55145135015 is an apocalyptic number.

55145135015 is a deficient number, since it is larger than the sum of its proper divisors (12436988185).

55145135015 is a wasteful number, since it uses less digits than its factorization.

55145135015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234660201.

The product of its (nonzero) digits is 37500, while the sum is 35.

The spelling of 55145135015 in words is "fifty-five billion, one hundred forty-five million, one hundred thirty-five thousand, fifteen".