7131257052555 has 8 divisors (see below), whose sum is σ = 11410011284112. Its totient is φ = 3803337094688.

The previous prime is 7131257052553. The next prime is 7131257052559. The reversal of 7131257052555 is 5552507521317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7131257052555 - 2¹ = 7131257052553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7131257052553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237708568404 + ... + 237708568433.

It is an arithmetic number, because the mean of its divisors is an integer number (1426251410514).

Almost surely, 2^{7131257052555} is an apocalyptic number.

7131257052555 is a deficient number, since it is larger than the sum of its proper divisors (4278754231557).

7131257052555 is a wasteful number, since it uses less digits than its factorization.

7131257052555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475417136845.

The product of its (nonzero) digits is 1837500, while the sum is 48.

The spelling of 7131257052555 in words is "seven trillion, one hundred thirty-one billion, two hundred fifty-seven million, fifty-two thousand, five hundred fifty-five".