215057061158 has 16 divisors (see below), whose sum is σ = 325093842240. Its totient is φ = 106695527400.

The previous prime is 215057061157. The next prime is 215057061187. The reversal of 215057061158 is 851160750512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215057061157) 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, 630128 + ... + 909491.

It is an arithmetic number, because the mean of its divisors is an integer number (20318365140).

Almost surely, 2^215057061158 is an apocalyptic number.

215057061158 is a deficient number, since it is larger than the sum of its proper divisors (110036781082).

215057061158 is a wasteful number, since it uses less digits than its factorization.

215057061158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540163.

The product of its (nonzero) digits is 84000, while the sum is 41.

The spelling of 215057061158 in words is "two hundred fifteen billion, fifty-seven million, sixty-one thousand, one hundred fifty-eight".