11514431617537 has 2 divisors, whose sum is σ = 11514431617538. Its totient is φ = 11514431617536.

The previous prime is 11514431617489. The next prime is 11514431617561. The reversal of 11514431617537 is 73571613441511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10729286762481 + 785144855056 = 3275559^2 + 886084^2 .

It is a cyclic number.

It is not a de Polignac number, because 11514431617537 - 2¹⁵ = 11514431584769 is a prime.

It is not a weakly prime, because it can be changed into another prime (11514431617037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5757215808768 + 5757215808769.

It is an arithmetic number, because the mean of its divisors is an integer number (5757215808769).

Almost surely, 2^{11514431617537} is an apocalyptic number.

It is an amenable number.

11514431617537 is a deficient number, since it is larger than the sum of its proper divisors (1).

11514431617537 is an equidigital number, since it uses as much as digits as its factorization.

11514431617537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 49.

The spelling of 11514431617537 in words is "eleven trillion, five hundred fourteen billion, four hundred thirty-one million, six hundred seventeen thousand, five hundred thirty-seven".