151963197227 has 4 divisors (see below), whose sum is σ = 151967161320. Its totient is φ = 151959233136.

The previous prime is 151963197223. The next prime is 151963197233. The reversal of 151963197227 is 722791369151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722791369151 = 2927 ⋅246939313.

It is a cyclic number.

It is not a de Polignac number, because 151963197227 - 2² = 151963197223 is a prime.

It is a super-2 number, since 2×151963197227² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151963197223) 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, 1923977 + ... + 2001402.

It is an arithmetic number, because the mean of its divisors is an integer number (37991790330).

Almost surely, 2^151963197227 is an apocalyptic number.

151963197227 is a deficient number, since it is larger than the sum of its proper divisors (3964093).

151963197227 is an equidigital number, since it uses as much as digits as its factorization.

151963197227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964092.

The product of its digits is 1428840, while the sum is 53.

The spelling of 151963197227 in words is "one hundred fifty-one billion, nine hundred sixty-three million, one hundred ninety-seven thousand, two hundred twenty-seven".