215064652502 has 16 divisors (see below), whose sum is σ = 372483111840. Its totient is φ = 91220352768.

The previous prime is 215064652477. The next prime is 215064652519. The reversal of 215064652502 is 205256460512.

It is a happy number.

It is a congruent number.

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, 79182977 + ... + 79185692.

It is an arithmetic number, because the mean of its divisors is an integer number (23280194490).

Almost surely, 2^215064652502 is an apocalyptic number.

215064652502 is a deficient number, since it is larger than the sum of its proper divisors (157418459338).

215064652502 is a wasteful number, since it uses less digits than its factorization.

215064652502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158368775.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 215064652502 in words is "two hundred fifteen billion, sixty-four million, six hundred fifty-two thousand, five hundred two".