1100020401437 has 2 divisors, whose sum is σ = 1100020401438. Its totient is φ = 1100020401436.

The previous prime is 1100020401353. The next prime is 1100020401509. The reversal of 1100020401437 is 7341040200011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009353771556 + 90666629881 = 1004666^2 + 301109^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100020401437 - 2²⁶ = 1099953292573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100020403437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550010200718 + 550010200719.

It is an arithmetic number, because the mean of its divisors is an integer number (550010200719).

Almost surely, 2^{1100020401437} is an apocalyptic number.

It is an amenable number.

1100020401437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100020401437 is an equidigital number, since it uses as much as digits as its factorization.

1100020401437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 1100020401437 its reverse (7341040200011), we get a palindrome (8441060601448).

The spelling of 1100020401437 in words is "one trillion, one hundred billion, twenty million, four hundred one thousand, four hundred thirty-seven".