151519991027 has 4 divisors (see below), whose sum is σ = 151523835120. Its totient is φ = 151516146936.

The previous prime is 151519990991. The next prime is 151519991047. The reversal of 151519991027 is 720199915151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720199915151 = 157793 ⋅4564207.

It is a cyclic number.

It is not a de Polignac number, because 151519991027 - 2¹² = 151519986931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151519991047) 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, 1862303 + ... + 1941960.

It is an arithmetic number, because the mean of its divisors is an integer number (37880958780).

Almost surely, 2^151519991027 is an apocalyptic number.

151519991027 is a deficient number, since it is larger than the sum of its proper divisors (3844093).

151519991027 is an equidigital number, since it uses as much as digits as its factorization.

151519991027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844092.

The product of its (nonzero) digits is 255150, while the sum is 50.

The spelling of 151519991027 in words is "one hundred fifty-one billion, five hundred nineteen million, nine hundred ninety-one thousand, twenty-seven".