215625380053 has 16 divisors (see below), whose sum is σ = 219515244480. Its totient is φ = 211772592000.

The previous prime is 215625380027. The next prime is 215625380063. The reversal of 215625380053 is 350083526512.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215625380053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 215625379988 and 215625380015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215625380063) 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, 18118401 + ... + 18130297.

It is an arithmetic number, because the mean of its divisors is an integer number (13719702780).

Almost surely, 2^215625380053 is an apocalyptic number.

It is an amenable number.

215625380053 is a deficient number, since it is larger than the sum of its proper divisors (3889864427).

215625380053 is a wasteful number, since it uses less digits than its factorization.

215625380053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13428.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 215625380053 in words is "two hundred fifteen billion, six hundred twenty-five million, three hundred eighty thousand, fifty-three".