2151532311619 has 2 divisors, whose sum is σ = 2151532311620. Its totient is φ = 2151532311618.

The previous prime is 2151532311601. The next prime is 2151532311647. The reversal of 2151532311619 is 9161132351512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2151532311619 - 2⁹ = 2151532311107 is a prime.

It is a super-2 number, since 2×2151532311619² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2151532311659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075766155809 + 1075766155810.

It is an arithmetic number, because the mean of its divisors is an integer number (1075766155810).

Almost surely, 2^{2151532311619} is an apocalyptic number.

2151532311619 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151532311619 is an equidigital number, since it uses as much as digits as its factorization.

2151532311619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 40.

The spelling of 2151532311619 in words is "two trillion, one hundred fifty-one billion, five hundred thirty-two million, three hundred eleven thousand, six hundred nineteen".