50105011451 has 4 divisors (see below), whose sum is σ = 54660012504. Its totient is φ = 45550010400.

The previous prime is 50105011447. The next prime is 50105011499. The reversal of 50105011451 is 15411050105.

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 50105011451 - 2² = 50105011447 is a prime.

It is a super-2 number, since 2×50105011451² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50105011751) 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, 2277500510 + ... + 2277500531.

It is an arithmetic number, because the mean of its divisors is an integer number (13665003126).

Almost surely, 2^50105011451 is an apocalyptic number.

50105011451 is a deficient number, since it is larger than the sum of its proper divisors (4555001053).

50105011451 is a wasteful number, since it uses less digits than its factorization.

50105011451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555001052.

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 50105011451 its reverse (15411050105), we get a palindrome (65516061556).

The spelling of 50105011451 in words is "fifty billion, one hundred five million, eleven thousand, four hundred fifty-one".