128270953541 has 16 divisors (see below), whose sum is σ = 135513874800. Its totient is φ = 121243584000.

The previous prime is 128270953529. The next prime is 128270953583. The reversal of 128270953541 is 145359072821.

It can be written as a sum of positive squares in 8 ways, for example, as 228644641 + 128042308900 = 15121^2 + 357830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128270953541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128270953511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14651 + ... + 506711.

It is an arithmetic number, because the mean of its divisors is an integer number (8469617175).

Almost surely, 2^128270953541 is an apocalyptic number.

It is an amenable number.

128270953541 is a deficient number, since it is larger than the sum of its proper divisors (7242921259).

128270953541 is a wasteful number, since it uses less digits than its factorization.

128270953541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492280.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 128270953541 in words is "one hundred twenty-eight billion, two hundred seventy million, nine hundred fifty-three thousand, five hundred forty-one".