215152540123501 has 8 divisors (see below), whose sum is σ = 215430506208000. Its totient is φ = 214874696741760.

The previous prime is 215152540123489. The next prime is 215152540123513. The reversal of 215152540123501 is 105321045251512.

It is an interprime number because it is at equal distance from previous prime (215152540123489) and next prime (215152540123513).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215152540123501 - 2²³ = 215152531734893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215152540153501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27166276 + ... + 34180573.

It is an arithmetic number, because the mean of its divisors is an integer number (26928813276000).

Almost surely, 2^{215152540123501} is an apocalyptic number.

It is an amenable number.

215152540123501 is a deficient number, since it is larger than the sum of its proper divisors (277966084499).

215152540123501 is an equidigital number, since it uses as much as digits as its factorization.

215152540123501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61351379.

The product of its (nonzero) digits is 60000, while the sum is 37.

The spelling of 215152540123501 in words is "two hundred fifteen trillion, one hundred fifty-two billion, five hundred forty million, one hundred twenty-three thousand, five hundred one".