50106551011551 has 32 divisors (see below), whose sum is σ = 76294205153280. Its totient is φ = 32485396271328.

The previous prime is 50106551011487. The next prime is 50106551011589. The reversal of 50106551011551 is 15511015560105.

50106551011551 is a `hidden beast` number, since 50 + 1 + 0 + 6 + 5 + 51 + 0 + 1 + 1 + 551 = 666.

It is not a de Polignac number, because 50106551011551 - 2⁶ = 50106551011487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50106551021551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125549391 + ... + 125947856.

It is an arithmetic number, because the mean of its divisors is an integer number (2384193911040).

Almost surely, 2^{50106551011551} is an apocalyptic number.

50106551011551 is a deficient number, since it is larger than the sum of its proper divisors (26187654141729).

50106551011551 is a wasteful number, since it uses less digits than its factorization.

50106551011551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251497460 (or 251497454 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 36.

Adding to 50106551011551 its reverse (15511015560105), we get a palindrome (65617566571656).

It can be divided in two parts, 5010655 and 1011551, that added together give a palindrome (6022206).

The spelling of 50106551011551 in words is "fifty trillion, one hundred six billion, five hundred fifty-one million, eleven thousand, five hundred fifty-one".