215351054202 has 16 divisors (see below), whose sum is σ = 434883683520. Its totient is φ = 71086755552.

The previous prime is 215351054179. The next prime is 215351054227. The reversal of 215351054202 is 202450153512.

It is a self number, because there is not a number n which added to its sum of digits gives 215351054202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174231627 + ... + 174232862.

It is an arithmetic number, because the mean of its divisors is an integer number (27180230220).

Almost surely, 2^215351054202 is an apocalyptic number.

215351054202 is an abundant number, since it is smaller than the sum of its proper divisors (219532629318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215351054202 is a wasteful number, since it uses less digits than its factorization.

215351054202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348464597.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 215351054202 in words is "two hundred fifteen billion, three hundred fifty-one million, fifty-four thousand, two hundred two".