1011104553 has 16 divisors (see below), whose sum is σ = 1357743296. Its totient is φ = 669280320.

The previous prime is 1011104543. The next prime is 1011104579. The reversal of 1011104553 is 3554011101.

It is a happy number.

It is not a de Polignac number, because 1011104553 - 2¹⁶ = 1011039017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011104533) 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, 491475 + ... + 493527.

It is an arithmetic number, because the mean of its divisors is an integer number (84858956).

Almost surely, 2^1011104553 is an apocalyptic number.

It is an amenable number.

1011104553 is a deficient number, since it is larger than the sum of its proper divisors (346638743).

1011104553 is a wasteful number, since it uses less digits than its factorization.

1011104553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1011104553 is about 31797.8702588711. The cubic root of 1011104553 is about 1003.6879003385.

Adding to 1011104553 its reverse (3554011101), we get a palindrome (4565115654).

The spelling of 1011104553 in words is "one billion, eleven million, one hundred four thousand, five hundred fifty-three".