35550540121551 has 64 divisors (see below), whose sum is σ = 61518921031680. Its totient is φ = 17733433783680.

The previous prime is 35550540121519. The next prime is 35550540121553. The reversal of 35550540121551 is 15512104505553.

It is not a de Polignac number, because 35550540121551 - 2⁵ = 35550540121519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35550540121553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3166555 + ... + 9007116.

It is an arithmetic number, because the mean of its divisors is an integer number (961233141120).

Almost surely, 2^{35550540121551} is an apocalyptic number.

35550540121551 is a deficient number, since it is larger than the sum of its proper divisors (25968380910129).

35550540121551 is a wasteful number, since it uses less digits than its factorization.

35550540121551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12174276.

The product of its (nonzero) digits is 375000, while the sum is 42.

The spelling of 35550540121551 in words is "thirty-five trillion, five hundred fifty billion, five hundred forty million, one hundred twenty-one thousand, five hundred fifty-one".