11621051 has 8 divisors (see below), whose sum is σ = 12806640. Its totient is φ = 10477152.

The previous prime is 11621039. The next prime is 11621119. The reversal of 11621051 is 15012611.

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

It is a cyclic number.

It is not a de Polignac number, because 11621051 - 2²² = 7426747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11621011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9836 + ... + 10953.

It is an arithmetic number, because the mean of its divisors is an integer number (1600830).

Almost surely, 2^11621051 is an apocalyptic number.

11621051 is a deficient number, since it is larger than the sum of its proper divisors (1185589).

11621051 is a wasteful number, since it uses less digits than its factorization.

11621051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20845.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 11621051 is about 3408.9662656002. The cubic root of 11621051 is about 226.5070909225.

Adding to 11621051 its reverse (15012611), we get a palindrome (26633662).

The spelling of 11621051 in words is "eleven million, six hundred twenty-one thousand, fifty-one".