510061105551 has 4 divisors (see below), whose sum is σ = 680081474072. Its totient is φ = 340040737032.

The previous prime is 510061105523. The next prime is 510061105573. The reversal of 510061105551 is 155501160015.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 510061105551 - 2²¹ = 510059008399 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 (510061105501) 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, 85010184256 + ... + 85010184261.

It is an arithmetic number, because the mean of its divisors is an integer number (170020368518).

Almost surely, 2^510061105551 is an apocalyptic number.

510061105551 is a deficient number, since it is larger than the sum of its proper divisors (170020368521).

510061105551 is a wasteful number, since it uses less digits than its factorization.

510061105551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170020368520.

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 510061105551 its reverse (155501160015), we get a palindrome (665562265566).

The spelling of 510061105551 in words is "five hundred ten billion, sixty-one million, one hundred five thousand, five hundred fifty-one".