215001403342 has 48 divisors (see below), whose sum is σ = 357105127680. Its totient is φ = 97008393680.

The previous prime is 215001403291. The next prime is 215001403381. The reversal of 215001403342 is 243304100512.

215001403342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19056459 + ... + 19067737.

It is an arithmetic number, because the mean of its divisors is an integer number (7439690160).

Almost surely, 2^215001403342 is an apocalyptic number.

215001403342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

215001403342 is a deficient number, since it is larger than the sum of its proper divisors (142103724338).

215001403342 is a wasteful number, since it uses less digits than its factorization.

215001403342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11877 (or 11866 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 215001403342 its reverse (243304100512), we get a palindrome (458305503854).

The spelling of 215001403342 in words is "two hundred fifteen billion, one million, four hundred three thousand, three hundred forty-two".