10891742455 has 32 divisors (see below), whose sum is σ = 14845674816. Its totient is φ = 7601280000.

The previous prime is 10891742443. The next prime is 10891742467. The reversal of 10891742455 is 55424719801.

It is an interprime number because it is at equal distance from previous prime (10891742443) and next prime (10891742467).

It is not a de Polignac number, because 10891742455 - 2⁷ = 10891742327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97965 + ... + 177145.

It is an arithmetic number, because the mean of its divisors is an integer number (463927338).

Almost surely, 2^10891742455 is an apocalyptic number.

10891742455 is a deficient number, since it is larger than the sum of its proper divisors (3953932361).

10891742455 is a wasteful number, since it uses less digits than its factorization.

10891742455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79299.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 10891742455 in words is "ten billion, eight hundred ninety-one million, seven hundred forty-two thousand, four hundred fifty-five".