1103453770961 has 4 divisors (see below), whose sum is σ = 1114379055924. Its totient is φ = 1092528486000.

The previous prime is 1103453770949. The next prime is 1103453770973. The reversal of 1103453770961 is 1690773543011.

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

It is an interprime number because it is at equal distance from previous prime (1103453770949) and next prime (1103453770973).

It can be written as a sum of positive squares in 2 ways, for example, as 476039281936 + 627414489025 = 689956^2 + 792095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103453770961 is a prime.

It is a super-2 number, since 2×1103453770961² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103453770931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5462642330 + ... + 5462642531.

It is an arithmetic number, because the mean of its divisors is an integer number (278594763981).

Almost surely, 2^{1103453770961} is an apocalyptic number.

It is an amenable number.

1103453770961 is a deficient number, since it is larger than the sum of its proper divisors (10925284963).

1103453770961 is a wasteful number, since it uses less digits than its factorization.

1103453770961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10925284962.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 1103453770961 in words is "one trillion, one hundred three billion, four hundred fifty-three million, seven hundred seventy thousand, nine hundred sixty-one".