10891203461 has 2 divisors, whose sum is σ = 10891203462. Its totient is φ = 10891203460.

The previous prime is 10891203383. The next prime is 10891203467. The reversal of 10891203461 is 16430219801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9881552836 + 1009650625 = 99406^2 + 31775^2 .

It is a cyclic number.

It is not a de Polignac number, because 10891203461 - 2¹⁸ = 10890941317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10891203467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5445601730 + 5445601731.

It is an arithmetic number, because the mean of its divisors is an integer number (5445601731).

Almost surely, 2^10891203461 is an apocalyptic number.

It is an amenable number.

10891203461 is a deficient number, since it is larger than the sum of its proper divisors (1).

10891203461 is an equidigital number, since it uses as much as digits as its factorization.

10891203461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 10891203461 in words is "ten billion, eight hundred ninety-one million, two hundred three thousand, four hundred sixty-one".