51141020451 has 16 divisors (see below), whose sum is σ = 69888850944. Its totient is φ = 33246216864.

The previous prime is 51141020449. The next prime is 51141020461. The reversal of 51141020451 is 15402014115.

51141020451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51141020451 - 2¹ = 51141020449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51141020461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248256 + ... + 404861.

It is an arithmetic number, because the mean of its divisors is an integer number (4368053184).

Almost surely, 2^51141020451 is an apocalyptic number.

51141020451 is a deficient number, since it is larger than the sum of its proper divisors (18747830493).

51141020451 is a wasteful number, since it uses less digits than its factorization.

51141020451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653770.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 51141020451 its reverse (15402014115), we get a palindrome (66543034566).

The spelling of 51141020451 in words is "fifty-one billion, one hundred forty-one million, twenty thousand, four hundred fifty-one".