201434353555 has 16 divisors (see below), whose sum is σ = 243460080864. Its totient is φ = 159992352000.

The previous prime is 201434353553. The next prime is 201434353559. The reversal of 201434353555 is 555353434102.

It is not a de Polignac number, because 201434353555 - 2¹ = 201434353553 is a prime.

It is a super-2 number, since 2×201434353555² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201434353553) 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, 136417 + ... + 649213.

It is an arithmetic number, because the mean of its divisors is an integer number (15216255054).

Almost surely, 2^201434353555 is an apocalyptic number.

201434353555 is a deficient number, since it is larger than the sum of its proper divisors (42025727309).

201434353555 is a wasteful number, since it uses less digits than its factorization.

201434353555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513366.

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 201434353555 its reverse (555353434102), we get a palindrome (756787787657).

The spelling of 201434353555 in words is "two hundred one billion, four hundred thirty-four million, three hundred fifty-three thousand, five hundred fifty-five".