151999999999 has 4 divisors (see below), whose sum is σ = 152126562400. Its totient is φ = 151873437600.

The previous prime is 151999999951. The next prime is 152000000021. The reversal of 151999999999 is 999999999151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999999999151 = 15091 ⋅66264661.

It is a cyclic number.

It is not a de Polignac number, because 151999999999 - 2²⁵ = 151966445567 is a prime.

It is a Duffinian number.

151999999999 is a modest number, since divided by 999999 gives 151999 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151999999909) 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, 63279399 + ... + 63281800.

It is an arithmetic number, because the mean of its divisors is an integer number (38031640600).

Almost surely, 2^151999999999 is an apocalyptic number.

151999999999 is a deficient number, since it is larger than the sum of its proper divisors (126562401).

151999999999 is a wasteful number, since it uses less digits than its factorization.

151999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126562400.

The product of its digits is 1937102445, while the sum is 88.

The spelling of 151999999999 in words is "one hundred fifty-one billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".