5451045261 has 16 divisors (see below), whose sum is σ = 7652160000. Its totient is φ = 3442058928.

The previous prime is 5451045253. The next prime is 5451045263. The reversal of 5451045261 is 1625401545.

It is not a de Polignac number, because 5451045261 - 2³ = 5451045253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451045263) 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, 507630 + ... + 518256.

It is an arithmetic number, because the mean of its divisors is an integer number (478260000).

Almost surely, 2^5451045261 is an apocalyptic number.

It is an amenable number.

5451045261 is a deficient number, since it is larger than the sum of its proper divisors (2201114739).

5451045261 is a wasteful number, since it uses less digits than its factorization.

5451045261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19648.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 5451045261 is about 73831.1943625457. The cubic root of 5451045261 is about 1759.9213615217.

The spelling of 5451045261 in words is "five billion, four hundred fifty-one million, forty-five thousand, two hundred sixty-one".