215200134401 has 8 divisors (see below), whose sum is σ = 247509528000. Its totient is φ = 183282370128.

The previous prime is 215200134377. The next prime is 215200134407. The reversal of 215200134401 is 104431002512.

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 215200134401 - 2³⁴ = 198020265217 is a prime.

It is a super-2 number, since 2×215200134401² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (215200134407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97906151 + ... + 97908348.

It is an arithmetic number, because the mean of its divisors is an integer number (30938691000).

Almost surely, 2^215200134401 is an apocalyptic number.

It is an amenable number.

215200134401 is a deficient number, since it is larger than the sum of its proper divisors (32309393599).

215200134401 is a wasteful number, since it uses less digits than its factorization.

215200134401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195814663.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 215200134401 its reverse (104431002512), we get a palindrome (319631136913).

The spelling of 215200134401 in words is "two hundred fifteen billion, two hundred million, one hundred thirty-four thousand, four hundred one".