151117783 has 2 divisors, whose sum is σ = 151117784. Its totient is φ = 151117782.

The previous prime is 151117739. The next prime is 151117807. The reversal of 151117783 is 387711151.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151117783 is a prime.

It is equal to p_8503594 and since 151117783 and 8503594 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151117723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75558891 + 75558892.

It is an arithmetic number, because the mean of its divisors is an integer number (75558892).

Almost surely, 2^151117783 is an apocalyptic number.

151117783 is a deficient number, since it is larger than the sum of its proper divisors (1).

151117783 is an equidigital number, since it uses as much as digits as its factorization.

151117783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 34.

The square root of 151117783 is about 12292.9973155451. The cubic root of 151117783 is about 532.6458216289.

The spelling of 151117783 in words is "one hundred fifty-one million, one hundred seventeen thousand, seven hundred eighty-three".