103451111533 has 16 divisors (see below), whose sum is σ = 129058125696. Its totient is φ = 80561183040.

The previous prime is 103451111497. The next prime is 103451111537. The reversal of 103451111533 is 335111154301.

It is a cyclic number.

It is not a de Polignac number, because 103451111533 - 2¹⁷ = 103450980461 is a prime.

It is a super-2 number, since 2×103451111533² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103451111537) 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, 292266 + ... + 540667.

It is an arithmetic number, because the mean of its divisors is an integer number (8066132856).

Almost surely, 2^103451111533 is an apocalyptic number.

It is an amenable number.

103451111533 is a deficient number, since it is larger than the sum of its proper divisors (25607014163).

103451111533 is a wasteful number, since it uses less digits than its factorization.

103451111533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834564.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 103451111533 its reverse (335111154301), we get a palindrome (438562265834).

It can be divided in two parts, 10 and 3451111533, that added together give a palindrome (3451111543).

The spelling of 103451111533 in words is "one hundred three billion, four hundred fifty-one million, one hundred eleven thousand, five hundred thirty-three".