11470020251 has 16 divisors (see below), whose sum is σ = 11921488128. Its totient is φ = 11027469600.

The previous prime is 11470020229. The next prime is 11470020283. The reversal of 11470020251 is 15202007411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11470020251 is a prime.

It is a super-2 number, since 2×11470020251² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11470020451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2106905 + ... + 2112341.

It is an arithmetic number, because the mean of its divisors is an integer number (745093008).

Almost surely, 2^11470020251 is an apocalyptic number.

11470020251 is a deficient number, since it is larger than the sum of its proper divisors (451467877).

11470020251 is an equidigital number, since it uses as much as digits as its factorization.

11470020251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 11470020251 its reverse (15202007411), we get a palindrome (26672027662).

The spelling of 11470020251 in words is "eleven billion, four hundred seventy million, twenty thousand, two hundred fifty-one".