10545039971 has 2 divisors, whose sum is σ = 10545039972. Its totient is φ = 10545039970.

The previous prime is 10545039961. The next prime is 10545040003. The reversal of 10545039971 is 17993054501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10545039971 is a prime.

It is a super-2 number, since 2×10545039971² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10545039961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5272519985 + 5272519986.

It is an arithmetic number, because the mean of its divisors is an integer number (5272519986).

Almost surely, 2^10545039971 is an apocalyptic number.

10545039971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10545039971 is an equidigital number, since it uses as much as digits as its factorization.

10545039971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 44.

The spelling of 10545039971 in words is "ten billion, five hundred forty-five million, thirty-nine thousand, nine hundred seventy-one".