151961511 has 8 divisors (see below), whose sum is σ = 218201200. Its totient is φ = 93514752.

The previous prime is 151961489. The next prime is 151961519. The reversal of 151961511 is 115169151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 151961511 - 2⁹ = 151960999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151961519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1948186 + ... + 1948263.

It is an arithmetic number, because the mean of its divisors is an integer number (27275150).

Almost surely, 2^151961511 is an apocalyptic number.

151961511 is a deficient number, since it is larger than the sum of its proper divisors (66239689).

151961511 is a wasteful number, since it uses less digits than its factorization.

151961511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896465.

The product of its digits is 1350, while the sum is 30.

The square root of 151961511 is about 12327.2669720421. The cubic root of 151961511 is about 533.6352802790.

The spelling of 151961511 in words is "one hundred fifty-one million, nine hundred sixty-one thousand, five hundred eleven".