1103545255431 has 16 divisors (see below), whose sum is σ = 1535409227520. Its totient is φ = 703690806720.

The previous prime is 1103545255403. The next prime is 1103545255469. The reversal of 1103545255431 is 1345525453011.

It is not a de Polignac number, because 1103545255431 - 2⁶ = 1103545255367 is a prime.

It is a super-2 number, since 2×1103545255431² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1103545255431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103545255031) 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, 2586780 + ... + 2983038.

It is an arithmetic number, because the mean of its divisors is an integer number (95963076720).

Almost surely, 2^{1103545255431} is an apocalyptic number.

1103545255431 is a deficient number, since it is larger than the sum of its proper divisors (431863972089).

1103545255431 is a wasteful number, since it uses less digits than its factorization.

1103545255431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436646.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 1103545255431 in words is "one trillion, one hundred three billion, five hundred forty-five million, two hundred fifty-five thousand, four hundred thirty-one".