51263004411 has 16 divisors (see below), whose sum is σ = 75958768800. Its totient is φ = 34169226624.

The previous prime is 51263004409. The next prime is 51263004413. The reversal of 51263004411 is 11440036215.

It is a happy number.

51263004411 is a `hidden beast` number, since 5 + 12 + 630 + 0 + 4 + 4 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (51263004409) and next prime (51263004413).

It is not a de Polignac number, because 51263004411 - 2¹ = 51263004409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (51263004413) 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, 13266 + ... + 320471.

It is an arithmetic number, because the mean of its divisors is an integer number (4747423050).

Almost surely, 2^51263004411 is an apocalyptic number.

51263004411 is a deficient number, since it is larger than the sum of its proper divisors (24695764389).

51263004411 is a wasteful number, since it uses less digits than its factorization.

51263004411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339435 (or 339429 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The spelling of 51263004411 in words is "fifty-one billion, two hundred sixty-three million, four thousand, four hundred eleven".