1103051110551 has 32 divisors (see below), whose sum is σ = 1679826150912. Its totient is φ = 638643519360.

The previous prime is 1103051110547. The next prime is 1103051110583. The reversal of 1103051110551 is 1550111503011.

It is not a de Polignac number, because 1103051110551 - 2² = 1103051110547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103051110591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10024885 + ... + 10134318.

It is an arithmetic number, because the mean of its divisors is an integer number (52494567216).

Almost surely, 2^{1103051110551} is an apocalyptic number.

1103051110551 is a deficient number, since it is larger than the sum of its proper divisors (576775040361).

1103051110551 is a wasteful number, since it uses less digits than its factorization.

1103051110551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20159303.

The product of its (nonzero) digits is 375, while the sum is 24.

Adding to 1103051110551 its reverse (1550111503011), we get a palindrome (2653162613562).

The spelling of 1103051110551 in words is "one trillion, one hundred three billion, fifty-one million, one hundred ten thousand, five hundred fifty-one".