7207505555157 has 16 divisors (see below), whose sum is σ = 10787866279680. Its totient is φ = 4755467581056.

The previous prime is 7207505555149. The next prime is 7207505555161. The reversal of 7207505555157 is 7515555057027.

It is a happy number.

7207505555157 is a `hidden beast` number, since 7 + 2 + 0 + 75 + 0 + 5 + 55 + 515 + 7 = 666.

It is not a de Polignac number, because 7207505555157 - 2³ = 7207505555149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7207505555197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1376000733 + ... + 1376005970.

It is an arithmetic number, because the mean of its divisors is an integer number (674241642480).

Almost surely, 2^{7207505555157} is an apocalyptic number.

It is an amenable number.

7207505555157 is a deficient number, since it is larger than the sum of its proper divisors (3580360724523).

7207505555157 is a wasteful number, since it uses less digits than its factorization.

7207505555157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752006809 (or 2752006803 counting only the distinct ones).

The product of its (nonzero) digits is 10718750, while the sum is 54.

The spelling of 7207505555157 in words is "seven trillion, two hundred seven billion, five hundred five million, five hundred fifty-five thousand, one hundred fifty-seven".