355514505431421 has 24 divisors (see below), whose sum is σ = 551410963482240. Its totient is φ = 203150884323072.

The previous prime is 355514505431417. The next prime is 355514505431497. The reversal of 355514505431421 is 124134505415553.

It is not a de Polignac number, because 355514505431421 - 2² = 355514505431417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355514505431411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215876365 + ... + 217516973.

It is an arithmetic number, because the mean of its divisors is an integer number (22975456811760).

Almost surely, 2^{355514505431421} is an apocalyptic number.

It is an amenable number.

355514505431421 is a deficient number, since it is larger than the sum of its proper divisors (195896458050819).

355514505431421 is a wasteful number, since it uses less digits than its factorization.

355514505431421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114753 (or 3114746 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 355514505431421 in words is "three hundred fifty-five trillion, five hundred fourteen billion, five hundred five million, four hundred thirty-one thousand, four hundred twenty-one".