7455225288557 has 4 divisors (see below), whose sum is σ = 7474690629120. Its totient is φ = 7435759947996.

The previous prime is 7455225288481. The next prime is 7455225288559. The reversal of 7455225288557 is 7558825225547.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-7455225288557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7455225288493 and 7455225288502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7455225288559) 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, 9732669707 + ... + 9732670472.

It is an arithmetic number, because the mean of its divisors is an integer number (1868672657280).

Almost surely, 2^{7455225288557} is an apocalyptic number.

It is an amenable number.

7455225288557 is a deficient number, since it is larger than the sum of its proper divisors (19465340563).

7455225288557 is a wasteful number, since it uses less digits than its factorization.

7455225288557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19465340562.

The product of its digits is 313600000, while the sum is 65.

The spelling of 7455225288557 in words is "seven trillion, four hundred fifty-five billion, two hundred twenty-five million, two hundred eighty-eight thousand, five hundred fifty-seven".