18030129285 has 32 divisors (see below), whose sum is σ = 32975880192. Its totient is φ = 8240719680.

The previous prime is 18030129253. The next prime is 18030129323. The reversal of 18030129285 is 58292103081.

It is not a de Polignac number, because 18030129285 - 2⁵ = 18030129253 is a prime.

It is a super-2 number, since 2×18030129285² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 638332 + ... + 665978.

It is an arithmetic number, because the mean of its divisors is an integer number (1030496256).

Almost surely, 2^18030129285 is an apocalyptic number.

18030129285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18030129285 is a deficient number, since it is larger than the sum of its proper divisors (14945750907).

18030129285 is a wasteful number, since it uses less digits than its factorization.

18030129285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33873.

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 18030129285 in words is "eighteen billion, thirty million, one hundred twenty-nine thousand, two hundred eighty-five".