215341400150025 has 24 divisors (see below), whose sum is σ = 356032675649760. Its totient is φ = 114848243283840.

The previous prime is 215341400150021. The next prime is 215341400150033. The reversal of 215341400150025 is 520051004143512.

It is not a de Polignac number, because 215341400150025 - 2² = 215341400150021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215341400150021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11253594 + ... + 23607756.

It is an arithmetic number, because the mean of its divisors is an integer number (14834694818740).

Almost surely, 2^{215341400150025} is an apocalyptic number.

215341400150025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

215341400150025 is a deficient number, since it is larger than the sum of its proper divisors (140691275499735).

215341400150025 is a wasteful number, since it uses less digits than its factorization.

215341400150025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12586585 (or 12586580 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 215341400150025 its reverse (520051004143512), we get a palindrome (735392404293537).

The spelling of 215341400150025 in words is "two hundred fifteen trillion, three hundred forty-one billion, four hundred million, one hundred fifty thousand, twenty-five".