55135412514515 has 4 divisors (see below), whose sum is σ = 66162495017424. Its totient is φ = 44108330011608.

The previous prime is 55135412514467. The next prime is 55135412514521. The reversal of 55135412514515 is 51541521453155.

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 55135412514515 - 2¹⁰ = 55135412513491 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 55135412514515.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5513541251447 + ... + 5513541251456.

It is an arithmetic number, because the mean of its divisors is an integer number (16540623754356).

Almost surely, 2^{55135412514515} is an apocalyptic number.

55135412514515 is a deficient number, since it is larger than the sum of its proper divisors (11027082502909).

55135412514515 is a wasteful number, since it uses less digits than its factorization.

55135412514515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11027082502908.

The product of its digits is 1500000, while the sum is 47.

The spelling of 55135412514515 in words is "fifty-five trillion, one hundred thirty-five billion, four hundred twelve million, five hundred fourteen thousand, five hundred fifteen".