1043666406135 has 48 divisors (see below), whose sum is σ = 1833682133088. Its totient is φ = 549080985600.

The previous prime is 1043666406073. The next prime is 1043666406143. The reversal of 1043666406135 is 5316046663401.

It is not a de Polignac number, because 1043666406135 - 2⁶ = 1043666406071 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 586575 + ... + 1559295.

It is an arithmetic number, because the mean of its divisors is an integer number (38201711106).

Almost surely, 2^{1043666406135} is an apocalyptic number.

1043666406135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1043666406135 is a deficient number, since it is larger than the sum of its proper divisors (790015726953).

1043666406135 is a wasteful number, since it uses less digits than its factorization.

1043666406135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973056 (or 973053 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 1043666406135 in words is "one trillion, forty-three billion, six hundred sixty-six million, four hundred six thousand, one hundred thirty-five".