128030040252118 has 16 divisors (see below), whose sum is σ = 192270595929984. Its totient is φ = 63939842733760.

The previous prime is 128030040252109. The next prime is 128030040252131. The reversal of 128030040252118 is 811252040030821.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370594683 + ... + 370939993.

It is an arithmetic number, because the mean of its divisors is an integer number (12016912245624).

Almost surely, 2^{128030040252118} is an apocalyptic number.

128030040252118 is a deficient number, since it is larger than the sum of its proper divisors (64240555677866).

128030040252118 is a wasteful number, since it uses less digits than its factorization.

128030040252118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562487.

The product of its (nonzero) digits is 30720, while the sum is 37.

Adding to 128030040252118 its reverse (811252040030821), we get a palindrome (939282080282939).

The spelling of 128030040252118 in words is "one hundred twenty-eight trillion, thirty billion, forty million, two hundred fifty-two thousand, one hundred eighteen".