11900051 has 8 divisors (see below), whose sum is σ = 12941280. Its totient is φ = 10896768.

The previous prime is 11900041. The next prime is 11900059. The reversal of 11900051 is 15000911.

It is a happy number.

11900051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11900051 - 2¹⁴ = 11883667 is a prime.

It is a super-2 number, since 2×11900051² = 283222427605202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11900059) 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, 8831 + ... + 10088.

It is an arithmetic number, because the mean of its divisors is an integer number (1617660).

Almost surely, 2^11900051 is an apocalyptic number.

11900051 is a deficient number, since it is larger than the sum of its proper divisors (1041229).

11900051 is a wasteful number, since it uses less digits than its factorization.

11900051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18973.

The product of its (nonzero) digits is 45, while the sum is 17.

The square root of 11900051 is about 3449.6450542049. The cubic root of 11900051 is about 228.3054475450.

Adding to 11900051 its reverse (15000911), we get a palindrome (26900962).

The spelling of 11900051 in words is "eleven million, nine hundred thousand, fifty-one".