11651055 has 32 divisors (see below), whose sum is σ = 20260800. Its totient is φ = 5683200.

The previous prime is 11651053. The next prime is 11651063. The reversal of 11651055 is 55015611.

It is not a de Polignac number, because 11651055 - 2¹ = 11651053 is a prime.

It is a super-2 number, since 2×11651055² = 271494165226050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11651053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28855 + ... + 29255.

It is an arithmetic number, because the mean of its divisors is an integer number (633150).

Almost surely, 2^11651055 is an apocalyptic number.

11651055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11651055 is a deficient number, since it is larger than the sum of its proper divisors (8609745).

11651055 is a wasteful number, since it uses less digits than its factorization.

11651055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 11651055 is about 3413.3641762929. The cubic root of 11651055 is about 226.7018604042.

Adding to 11651055 its reverse (55015611), we get a palindrome (66666666).

The spelling of 11651055 in words is "eleven million, six hundred fifty-one thousand, fifty-five".