1101256053 has 8 divisors (see below), whose sum is σ = 1475301216. Its totient is φ = 730690800.

The previous prime is 1101256043. The next prime is 1101256061. The reversal of 1101256053 is 3506521011.

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

It is not a de Polignac number, because 1101256053 - 2⁸ = 1101255797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101256003) 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, 869238 + ... + 870503.

It is an arithmetic number, because the mean of its divisors is an integer number (184412652).

Almost surely, 2^1101256053 is an apocalyptic number.

It is an amenable number.

1101256053 is a deficient number, since it is larger than the sum of its proper divisors (374045163).

1101256053 is a wasteful number, since it uses less digits than its factorization.

1101256053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1739955.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1101256053 is about 33185.1782125695. The cubic root of 1101256053 is about 1032.6728746487.

Adding to 1101256053 its reverse (3506521011), we get a palindrome (4607777064).

The spelling of 1101256053 in words is "one billion, one hundred one million, two hundred fifty-six thousand, fifty-three".