11470020451 has 2 divisors, whose sum is σ = 11470020452. Its totient is φ = 11470020450.

The previous prime is 11470020431. The next prime is 11470020511. The reversal of 11470020451 is 15402007411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11470020451 - 2¹¹ = 11470018403 is a prime.

It is a super-2 number, since 2×11470020451² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11470020431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735010225 + 5735010226.

It is an arithmetic number, because the mean of its divisors is an integer number (5735010226).

Almost surely, 2^11470020451 is an apocalyptic number.

11470020451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11470020451 is an equidigital number, since it uses as much as digits as its factorization.

11470020451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 11470020451 its reverse (15402007411), we get a palindrome (26872027862).

The spelling of 11470020451 in words is "eleven billion, four hundred seventy million, twenty thousand, four hundred fifty-one".