35505011421 has 32 divisors (see below), whose sum is σ = 57568896000. Its totient is φ = 21448041840.

The previous prime is 35505011417. The next prime is 35505011441. The reversal of 35505011421 is 12411050553.

It is not a de Polignac number, because 35505011421 - 2² = 35505011417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35505011441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103521 + ... + 285878.

It is an arithmetic number, because the mean of its divisors is an integer number (1799028000).

Almost surely, 2^35505011421 is an apocalyptic number.

It is an amenable number.

35505011421 is a deficient number, since it is larger than the sum of its proper divisors (22063884579).

35505011421 is a wasteful number, since it uses less digits than its factorization.

35505011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389726 (or 389720 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 35505011421 its reverse (12411050553), we get a palindrome (47916061974).

The spelling of 35505011421 in words is "thirty-five billion, five hundred five million, eleven thousand, four hundred twenty-one".