56510121459 has 8 divisors (see below), whose sum is σ = 82196540352. Its totient is φ = 34248558440.

The previous prime is 56510121449. The next prime is 56510121509. The reversal of 56510121459 is 95412101565.

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 56510121459 - 2¹³ = 56510113267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56510121419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856213929 + ... + 856213994.

It is an arithmetic number, because the mean of its divisors is an integer number (10274567544).

Almost surely, 2^56510121459 is an apocalyptic number.

56510121459 is a deficient number, since it is larger than the sum of its proper divisors (25686418893).

56510121459 is a wasteful number, since it uses less digits than its factorization.

56510121459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712427937.

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 56510121459 in words is "fifty-six billion, five hundred ten million, one hundred twenty-one thousand, four hundred fifty-nine".