215251653483 has 12 divisors (see below), whose sum is σ = 313292484648. Its totient is φ = 142405673280.

The previous prime is 215251653469. The next prime is 215251653497. The reversal of 215251653483 is 384356152512.

It is a happy number.

215251653483 is a `hidden beast` number, since 2 + 1 + 5 + 2 + 5 + 165 + 3 + 483 = 666.

It is an interprime number because it is at equal distance from previous prime (215251653469) and next prime (215251653497).

It is not a de Polignac number, because 215251653483 - 2²¹ = 215249556331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215251653283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91284510 + ... + 91286867.

It is an arithmetic number, because the mean of its divisors is an integer number (26107707054).

Almost surely, 2^215251653483 is an apocalyptic number.

215251653483 is a deficient number, since it is larger than the sum of its proper divisors (98040831165).

215251653483 is a wasteful number, since it uses less digits than its factorization.

215251653483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182571514 (or 182571511 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The spelling of 215251653483 in words is "two hundred fifteen billion, two hundred fifty-one million, six hundred fifty-three thousand, four hundred eighty-three".