151611001 has 4 divisors (see below), whose sum is σ = 151851904. Its totient is φ = 151370100.

The previous prime is 151610993. The next prime is 151611007. The reversal of 151611001 is 100116151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100116151 = 269 ⋅372179.

It is a cyclic number.

It is not a de Polignac number, because 151611001 - 2³ = 151610993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151611007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119505 + ... + 120766.

It is an arithmetic number, because the mean of its divisors is an integer number (37962976).

Almost surely, 2^151611001 is an apocalyptic number.

It is an amenable number.

151611001 is a deficient number, since it is larger than the sum of its proper divisors (240903).

151611001 is an equidigital number, since it uses as much as digits as its factorization.

151611001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240902.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 151611001 is about 12313.0419068563. The cubic root of 151611001 is about 533.2246752166.

Adding to 151611001 its reverse (100116151), we get a palindrome (251727152).

The spelling of 151611001 in words is "one hundred fifty-one million, six hundred eleven thousand, one".