151049911 has 4 divisors (see below), whose sum is σ = 152435800. Its totient is φ = 149664024.

The previous prime is 151049909. The next prime is 151049923. The reversal of 151049911 is 119940151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 119940151 = 17 ⋅7055303.

It is a cyclic number.

It is not a de Polignac number, because 151049911 - 2¹ = 151049909 is a prime.

It is a super-2 number, since 2×151049911² = 45632151226215842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151049711) 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, 692781 + ... + 692998.

It is an arithmetic number, because the mean of its divisors is an integer number (38108950).

Almost surely, 2^151049911 is an apocalyptic number.

151049911 is a deficient number, since it is larger than the sum of its proper divisors (1385889).

151049911 is a wasteful number, since it uses less digits than its factorization.

151049911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385888.

The product of its (nonzero) digits is 1620, while the sum is 31.

The square root of 151049911 is about 12290.2364094431. The cubic root of 151049911 is about 532.5660667292.

The spelling of 151049911 in words is "one hundred fifty-one million, forty-nine thousand, nine hundred eleven".