1101013555 has 8 divisors (see below), whose sum is σ = 1321491744. Its totient is φ = 880627200.

The previous prime is 1101013531. The next prime is 1101013559. The reversal of 1101013555 is 5553101011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1101013555 - 2⁵ = 1101013523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101013559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6970 + ... + 47440.

It is an arithmetic number, because the mean of its divisors is an integer number (165186468).

Almost surely, 2^1101013555 is an apocalyptic number.

1101013555 is a deficient number, since it is larger than the sum of its proper divisors (220478189).

1101013555 is an equidigital number, since it uses as much as digits as its factorization.

1101013555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45917.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 1101013555 is about 33181.5243019365. The cubic root of 1101013555 is about 1032.5970704524.

Adding to 1101013555 its reverse (5553101011), we get a palindrome (6654114566).

The spelling of 1101013555 in words is "one billion, one hundred one million, thirteen thousand, five hundred fifty-five".