1455661206407 has 4 divisors (see below), whose sum is σ = 1456521019800. Its totient is φ = 1454801393016.

The previous prime is 1455661206397. The next prime is 1455661206449. The reversal of 1455661206407 is 7046021665541.

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

It is a cyclic number.

It is not a de Polignac number, because 1455661206407 - 2¹² = 1455661202311 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 (1455661202407) 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, 429904157 + ... + 429907542.

It is an arithmetic number, because the mean of its divisors is an integer number (364130254950).

Almost surely, 2^{1455661206407} is an apocalyptic number.

1455661206407 is a deficient number, since it is larger than the sum of its proper divisors (859813393).

1455661206407 is an equidigital number, since it uses as much as digits as its factorization.

1455661206407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859813392.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 1455661206407 in words is "one trillion, four hundred fifty-five billion, six hundred sixty-one million, two hundred six thousand, four hundred seven".