1101151056 has 40 divisors (see below), whose sum is σ = 2856004704. Its totient is φ = 365584000.

The previous prime is 1101151049. The next prime is 1101151069. The reversal of 1101151056 is 6501511011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33651 + ... + 57746.

Almost surely, 2^1101151056 is an apocalyptic number.

1101151056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1101151056 is an abundant number, since it is smaller than the sum of its proper divisors (1754853648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101151056 is a wasteful number, since it uses less digits than its factorization.

1101151056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91659 (or 91653 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 21.

The square root of 1101151056 is about 33183.5961884784. The cubic root of 1101151056 is about 1032.6400542464.

Adding to 1101151056 its reverse (6501511011), we get a palindrome (7602662067).

The spelling of 1101151056 in words is "one billion, one hundred one million, one hundred fifty-one thousand, fifty-six".