1011443051434 has 4 divisors (see below), whose sum is σ = 1517164577154. Its totient is φ = 505721525716.

The previous prime is 1011443051431. The next prime is 1011443051473. The reversal of 1011443051434 is 4341503441101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 538851424225 + 472591627209 = 734065^2 + 687453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011443051396 and 1011443051405.

It is not an unprimeable number, because it can be changed into a prime (1011443051431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252860762857 + ... + 252860762860.

Almost surely, 2^{1011443051434} is an apocalyptic number.

1011443051434 is a deficient number, since it is larger than the sum of its proper divisors (505721525720).

1011443051434 is an equidigital number, since it uses as much as digits as its factorization.

1011443051434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505721525719.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1011443051434 its reverse (4341503441101), we get a palindrome (5352946492535).

The spelling of 1011443051434 in words is "one trillion, eleven billion, four hundred forty-three million, fifty-one thousand, four hundred thirty-four".