1101357553 has 16 divisors (see below), whose sum is σ = 1248768000. Its totient is φ = 965820240.

The previous prime is 1101357547. The next prime is 1101357557. The reversal of 1101357553 is 3557531011.

It is a cyclic number.

It is not a de Polignac number, because 1101357553 - 2¹⁷ = 1101226481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101357557) 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, 27103 + ... + 54196.

It is an arithmetic number, because the mean of its divisors is an integer number (78048000).

Almost surely, 2^1101357553 is an apocalyptic number.

It is an amenable number.

1101357553 is a deficient number, since it is larger than the sum of its proper divisors (147410447).

1101357553 is a wasteful number, since it uses less digits than its factorization.

1101357553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81372.

The product of its (nonzero) digits is 7875, while the sum is 31.

The square root of 1101357553 is about 33186.7074745296. The cubic root of 1101357553 is about 1032.7045999610.

Adding to 1101357553 its reverse (3557531011), we get a palindrome (4658888564).

The spelling of 1101357553 in words is "one billion, one hundred one million, three hundred fifty-seven thousand, five hundred fifty-three".