5145115551451 has 4 divisors (see below), whose sum is σ = 5145180726400. Its totient is φ = 5145050376504.

The previous prime is 5145115551413. The next prime is 5145115551461. The reversal of 5145115551451 is 1541555115415.

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 5145115551451 - 2²⁵ = 5145081997019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5145115551398 and 5145115551407.

It is not an unprimeable number, because it can be changed into a prime (5145115551461) 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, 32468916 + ... + 32626993.

It is an arithmetic number, because the mean of its divisors is an integer number (1286295181600).

Almost surely, 2^{5145115551451} is an apocalyptic number.

5145115551451 is a deficient number, since it is larger than the sum of its proper divisors (65174949).

5145115551451 is an equidigital number, since it uses as much as digits as its factorization.

5145115551451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65174948.

The product of its digits is 250000, while the sum is 43.

The spelling of 5145115551451 in words is "five trillion, one hundred forty-five billion, one hundred fifteen million, five hundred fifty-one thousand, four hundred fifty-one".