151117601 has 4 divisors (see below), whose sum is σ = 151142292. Its totient is φ = 151092912.

The previous prime is 151117597. The next prime is 151117619. The reversal of 151117601 is 106711151.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 106711151 = 41 ⋅2602711.

It can be written as a sum of positive squares in 2 ways, for example, as 46566976 + 104550625 = 6824^2 + 10225^2 .

It is a cyclic number.

It is not a de Polignac number, because 151117601 - 2² = 151117597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151117661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4475 + ... + 17951.

It is an arithmetic number, because the mean of its divisors is an integer number (37785573).

Almost surely, 2^151117601 is an apocalyptic number.

It is an amenable number.

151117601 is a deficient number, since it is larger than the sum of its proper divisors (24691).

151117601 is a wasteful number, since it uses less digits than its factorization.

151117601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24690.

The product of its (nonzero) digits is 210, while the sum is 23.

The square root of 151117601 is about 12292.9899129545. The cubic root of 151117601 is about 532.6456077966.

Adding to 151117601 its reverse (106711151), we get a palindrome (257828752).

The spelling of 151117601 in words is "one hundred fifty-one million, one hundred seventeen thousand, six hundred one".