1345151626021 has 4 divisors (see below), whose sum is σ = 1537316144032. Its totient is φ = 1152987108012.

The previous prime is 1345151626003. The next prime is 1345151626079. The reversal of 1345151626021 is 1206261515431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1345151626021 - 2⁵ = 1345151625989 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 (1345151623021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96082258995 + ... + 96082259008.

It is an arithmetic number, because the mean of its divisors is an integer number (384329036008).

Almost surely, 2^{1345151626021} is an apocalyptic number.

It is an amenable number.

1345151626021 is a deficient number, since it is larger than the sum of its proper divisors (192164518011).

1345151626021 is an equidigital number, since it uses as much as digits as its factorization.

1345151626021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192164518010.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 1345151626021 in words is "one trillion, three hundred forty-five billion, one hundred fifty-one million, six hundred twenty-six thousand, twenty-one".