1345621050455 has 16 divisors (see below), whose sum is σ = 1761753345408. Its totient is φ = 978515124000.

The previous prime is 1345621050439. The next prime is 1345621050467. The reversal of 1345621050455 is 5540501265431.

It is not a de Polignac number, because 1345621050455 - 2⁴ = 1345621050439 is a prime.

It is a super-2 number, since 2×1345621050455² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1019441 + ... + 1931450.

It is an arithmetic number, because the mean of its divisors is an integer number (110109584088).

Almost surely, 2^{1345621050455} is an apocalyptic number.

1345621050455 is a deficient number, since it is larger than the sum of its proper divisors (416132294953).

1345621050455 is a wasteful number, since it uses less digits than its factorization.

1345621050455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959198.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 1345621050455 in words is "one trillion, three hundred forty-five billion, six hundred twenty-one million, fifty thousand, four hundred fifty-five".