215026431150 has 96 divisors (see below), whose sum is σ = 552073379328. Its totient is φ = 55351468800.

The previous prime is 215026431143. The next prime is 215026431181. The reversal of 215026431150 is 51134620512.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 305745 + ... + 723555.

It is an arithmetic number, because the mean of its divisors is an integer number (5750764368).

Almost surely, 2^215026431150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 215026431150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276036689664).

215026431150 is an abundant number, since it is smaller than the sum of its proper divisors (337046948178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215026431150 is a wasteful number, since it uses less digits than its factorization.

215026431150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417946 (or 417941 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 215026431150 in words is "two hundred fifteen billion, twenty-six million, four hundred thirty-one thousand, one hundred fifty".