67315511551403 has 2 divisors, whose sum is σ = 67315511551404. Its totient is φ = 67315511551402.

The previous prime is 67315511551373. The next prime is 67315511551441. The reversal of 67315511551403 is 30415511551376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67315511551403 - 2¹⁰ = 67315511550379 is a prime.

It is a super-2 number, since 2×67315511551403² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67315511551493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33657755775701 + 33657755775702.

It is an arithmetic number, because the mean of its divisors is an integer number (33657755775702).

Almost surely, 2^{67315511551403} is an apocalyptic number.

67315511551403 is a deficient number, since it is larger than the sum of its proper divisors (1).

67315511551403 is an equidigital number, since it uses as much as digits as its factorization.

67315511551403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945000, while the sum is 47.

The spelling of 67315511551403 in words is "sixty-seven trillion, three hundred fifteen billion, five hundred eleven million, five hundred fifty-one thousand, four hundred three".