1122155034461 has 4 divisors (see below), whose sum is σ = 1122160954812. Its totient is φ = 1122149114112.

The previous prime is 1122155034449. The next prime is 1122155034493. The reversal of 1122155034461 is 1644305512211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 928127999236 + 194027035225 = 963394^2 + 440485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122155034461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122155034421) 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, 2666126 + ... + 3058191.

It is an arithmetic number, because the mean of its divisors is an integer number (280540238703).

Almost surely, 2^{1122155034461} is an apocalyptic number.

It is an amenable number.

1122155034461 is a deficient number, since it is larger than the sum of its proper divisors (5920351).

1122155034461 is an equidigital number, since it uses as much as digits as its factorization.

1122155034461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920350.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 1122155034461 in words is "one trillion, one hundred twenty-two billion, one hundred fifty-five million, thirty-four thousand, four hundred sixty-one".