1373012011 has 16 divisors (see below), whose sum is σ = 1615287744. Its totient is φ = 1142728704.

The previous prime is 1373011999. The next prime is 1373012023. The reversal of 1373012011 is 1102103731.

It is an interprime number because it is at equal distance from previous prime (1373011999) and next prime (1373012023).

It is a cyclic number.

It is not a de Polignac number, because 1373012011 - 2⁷ = 1373011883 is a prime.

It is a super-3 number, since 3×1373012011³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1373012011.

It is not an unprimeable number, because it can be changed into a prime (1373012111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16911 + ... + 55063.

It is an arithmetic number, because the mean of its divisors is an integer number (100955484).

Almost surely, 2^1373012011 is an apocalyptic number.

1373012011 is a deficient number, since it is larger than the sum of its proper divisors (242275733).

1373012011 is an equidigital number, since it uses as much as digits as its factorization.

1373012011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38310.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1373012011 is about 37054.1767011494. The cubic root of 1373012011 is about 1111.4538779597.

Adding to 1373012011 its reverse (1102103731), we get a palindrome (2475115742).

The spelling of 1373012011 in words is "one billion, three hundred seventy-three million, twelve thousand, eleven".