215124542350 has 12 divisors (see below), whose sum is σ = 400131648864. Its totient is φ = 86049816920.

The previous prime is 215124542329. The next prime is 215124542357. The reversal of 215124542350 is 53245421512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215124542357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2151245374 + ... + 2151245473.

It is an arithmetic number, because the mean of its divisors is an integer number (33344304072).

Almost surely, 2^215124542350 is an apocalyptic number.

215124542350 is a deficient number, since it is larger than the sum of its proper divisors (185007106514).

215124542350 is a wasteful number, since it uses less digits than its factorization.

215124542350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302490859 (or 4302490854 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 215124542350 its reverse (53245421512), we get a palindrome (268369963862).

The spelling of 215124542350 in words is "two hundred fifteen billion, one hundred twenty-four million, five hundred forty-two thousand, three hundred fifty".