215041403501 has 12 divisors (see below), whose sum is σ = 217578553920. Its totient is φ = 212532520680.

The previous prime is 215041403441. The next prime is 215041403503. The reversal of 215041403501 is 105304140512.

It is not a de Polignac number, because 215041403501 - 2³⁴ = 197861534317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215041403503) 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, 4912730 + ... + 4956308.

It is an arithmetic number, because the mean of its divisors is an integer number (18131546160).

Almost surely, 2^215041403501 is an apocalyptic number.

It is an amenable number.

215041403501 is a deficient number, since it is larger than the sum of its proper divisors (2537150419).

215041403501 is an equidigital number, since it uses as much as digits as its factorization.

215041403501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44224 (or 44117 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 215041403501 in words is "two hundred fifteen billion, forty-one million, four hundred three thousand, five hundred one".