2151324526531 has 2 divisors, whose sum is σ = 2151324526532. Its totient is φ = 2151324526530.

The previous prime is 2151324526493. The next prime is 2151324526541. The reversal of 2151324526531 is 1356254231512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2151324526531 - 2¹³ = 2151324518339 is a prime.

It is a super-2 number, since 2×2151324526531² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2151324526541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075662263265 + 1075662263266.

It is an arithmetic number, because the mean of its divisors is an integer number (1075662263266).

Almost surely, 2^{2151324526531} is an apocalyptic number.

2151324526531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2151324526531 is an equidigital number, since it uses as much as digits as its factorization.

2151324526531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 40.

The spelling of 2151324526531 in words is "two trillion, one hundred fifty-one billion, three hundred twenty-four million, five hundred twenty-six thousand, five hundred thirty-one".