215252053415 has 32 divisors (see below), whose sum is σ = 312753343104. Its totient is φ = 138836459520.

The previous prime is 215252053411. The next prime is 215252053439. The reversal of 215252053415 is 514350252512.

It is a happy number.

215252053415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 215252053415 - 2² = 215252053411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215252053411) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 903125 + ... + 1116305.

It is an arithmetic number, because the mean of its divisors is an integer number (9773541972).

Almost surely, 2^215252053415 is an apocalyptic number.

215252053415 is a deficient number, since it is larger than the sum of its proper divisors (97501289689).

215252053415 is a wasteful number, since it uses less digits than its factorization.

215252053415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214907.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 215252053415 in words is "two hundred fifteen billion, two hundred fifty-two million, fifty-three thousand, four hundred fifteen".