11292947947 has 2 divisors, whose sum is σ = 11292947948. Its totient is φ = 11292947946.

The previous prime is 11292947927. The next prime is 11292947959. The reversal of 11292947947 is 74974929211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11292947947 - 2²³ = 11284559339 is a prime.

It is not a weakly prime, because it can be changed into another prime (11292947927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5646473973 + 5646473974.

It is an arithmetic number, because the mean of its divisors is an integer number (5646473974).

Almost surely, 2^11292947947 is an apocalyptic number.

11292947947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11292947947 is an equidigital number, since it uses as much as digits as its factorization.

11292947947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 55.

The spelling of 11292947947 in words is "eleven billion, two hundred ninety-two million, nine hundred forty-seven thousand, nine hundred forty-seven".