3550881020523 has 16 divisors (see below), whose sum is σ = 4776466020480. Its totient is φ = 2346361174656.

The previous prime is 3550881020483. The next prime is 3550881020539. The reversal of 3550881020523 is 3250201880553.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3550881020523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3550881020623) 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 15 ways as a sum of consecutive naturals, for example, 10604590 + ... + 10934307.

It is an arithmetic number, because the mean of its divisors is an integer number (298529126280).

Almost surely, 2^{3550881020523} is an apocalyptic number.

3550881020523 is a deficient number, since it is larger than the sum of its proper divisors (1225584999957).

3550881020523 is a wasteful number, since it uses less digits than its factorization.

3550881020523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21539386.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 3550881020523 in words is "three trillion, five hundred fifty billion, eight hundred eighty-one million, twenty thousand, five hundred twenty-three".