257131150655011 has 8 divisors (see below), whose sum is σ = 257185018014080. Its totient is φ = 257077288302912.

The previous prime is 257131150654981. The next prime is 257131150655023. The reversal of 257131150655011 is 110556051131752.

It is a happy number.

257131150655011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 257131150655011 - 2¹⁷ = 257131150523939 is a prime.

It is a super-2 number, since 2×257131150655011² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257131150655111) 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, 102364846 + ... + 104846668.

It is an arithmetic number, because the mean of its divisors is an integer number (32148127251760).

Almost surely, 2^{257131150655011} is an apocalyptic number.

257131150655011 is a deficient number, since it is larger than the sum of its proper divisors (53867359069).

257131150655011 is a wasteful number, since it uses less digits than its factorization.

257131150655011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503485.

The product of its (nonzero) digits is 157500, while the sum is 43.

The spelling of 257131150655011 in words is "two hundred fifty-seven trillion, one hundred thirty-one billion, one hundred fifty million, six hundred fifty-five thousand, eleven".