1118147651 has 2 divisors, whose sum is σ = 1118147652. Its totient is φ = 1118147650.

The previous prime is 1118147581. The next prime is 1118147687. The reversal of 1118147651 is 1567418111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1118147651 is a prime.

It is not a weakly prime, because it can be changed into another prime (1118147551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559073825 + 559073826.

It is an arithmetic number, because the mean of its divisors is an integer number (559073826).

Almost surely, 2^1118147651 is an apocalyptic number.

1118147651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118147651 is an equidigital number, since it uses as much as digits as its factorization.

1118147651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 35.

The square root of 1118147651 is about 33438.7148526973. The cubic root of 1118147651 is about 1037.9259859265.

The spelling of 1118147651 in words is "one billion, one hundred eighteen million, one hundred forty-seven thousand, six hundred fifty-one".