257019082151 has 16 divisors (see below), whose sum is σ = 283305200640. Its totient is φ = 231666795360.

The previous prime is 257019082121. The next prime is 257019082153. The reversal of 257019082151 is 151280910752.

It is a de Polignac number, because none of the positive numbers 2^k-257019082151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 257019082099 and 257019082108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257019082153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2017106 + ... + 2140736.

It is an arithmetic number, because the mean of its divisors is an integer number (17706575040).

Almost surely, 2^257019082151 is an apocalyptic number.

257019082151 is a deficient number, since it is larger than the sum of its proper divisors (26286118489).

257019082151 is a wasteful number, since it uses less digits than its factorization.

257019082151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127406.

The product of its (nonzero) digits is 50400, while the sum is 41.

The spelling of 257019082151 in words is "two hundred fifty-seven billion, nineteen million, eighty-two thousand, one hundred fifty-one".