5155450451 has 4 divisors (see below), whose sum is σ = 5205503472. Its totient is φ = 5105397432.

The previous prime is 5155450439. The next prime is 5155450453. The reversal of 5155450451 is 1540545515.

5155450451 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5155450451 is a prime.

It is a super-2 number, since 2×5155450451² = 53157338705432206802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5155450453) 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, 25026356 + ... + 25026561.

It is an arithmetic number, because the mean of its divisors is an integer number (1301375868).

Almost surely, 2^5155450451 is an apocalyptic number.

5155450451 is a deficient number, since it is larger than the sum of its proper divisors (50053021).

5155450451 is a wasteful number, since it uses less digits than its factorization.

5155450451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50053020.

The product of its (nonzero) digits is 50000, while the sum is 35.

The square root of 5155450451 is about 71801.4655212552. The cubic root of 5155450451 is about 1727.5165063699.

Adding to 5155450451 its reverse (1540545515), we get a palindrome (6695995966).

The spelling of 5155450451 in words is "five billion, one hundred fifty-five million, four hundred fifty thousand, four hundred fifty-one".