53178131261 has 8 divisors (see below), whose sum is σ = 54843300864. Its totient is φ = 51532437600.

The previous prime is 53178131221. The next prime is 53178131269. The reversal of 53178131261 is 16213187135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53178131261 - 2¹⁴ = 53178114877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53178131269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4863440 + ... + 4874361.

It is an arithmetic number, because the mean of its divisors is an integer number (6855412608).

Almost surely, 2^53178131261 is an apocalyptic number.

It is an amenable number.

53178131261 is a deficient number, since it is larger than the sum of its proper divisors (1665169603).

53178131261 is a wasteful number, since it uses less digits than its factorization.

53178131261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9737971.

The product of its digits is 30240, while the sum is 38.

The spelling of 53178131261 in words is "fifty-three billion, one hundred seventy-eight million, one hundred thirty-one thousand, two hundred sixty-one".