10554121531 has 2 divisors, whose sum is σ = 10554121532. Its totient is φ = 10554121530.

The previous prime is 10554121517. The next prime is 10554121579. The reversal of 10554121531 is 13512145501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10554121531 - 2¹⁷ = 10553990459 is a prime.

It is a super-2 number, since 2×10554121531² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10554121531.

It is not a weakly prime, because it can be changed into another prime (10554124531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277060765 + 5277060766.

It is an arithmetic number, because the mean of its divisors is an integer number (5277060766).

Almost surely, 2^10554121531 is an apocalyptic number.

10554121531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10554121531 is an equidigital number, since it uses as much as digits as its factorization.

10554121531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 10554121531 in words is "ten billion, five hundred fifty-four million, one hundred twenty-one thousand, five hundred thirty-one".