5451256126 has 4 divisors (see below), whose sum is σ = 8176884192. Its totient is φ = 2725628062.

The previous prime is 5451256099. The next prime is 5451256127. The reversal of 5451256126 is 6216521545.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451256127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1362814030 + ... + 1362814033.

It is an arithmetic number, because the mean of its divisors is an integer number (2044221048).

Almost surely, 2^5451256126 is an apocalyptic number.

5451256126 is a deficient number, since it is larger than the sum of its proper divisors (2725628066).

5451256126 is a wasteful number, since it uses less digits than its factorization.

5451256126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725628065.

The product of its digits is 72000, while the sum is 37.

The square root of 5451256126 is about 73832.6223697899. The cubic root of 5451256126 is about 1759.9440544803.

The spelling of 5451256126 in words is "five billion, four hundred fifty-one million, two hundred fifty-six thousand, one hundred twenty-six".