2256531541507 has 2 divisors, whose sum is σ = 2256531541508. Its totient is φ = 2256531541506.

The previous prime is 2256531541469. The next prime is 2256531541559. The reversal of 2256531541507 is 7051451356522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2256531541507 - 2³¹ = 2254384057859 is a prime.

It is a super-3 number, since 3×2256531541507³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2256531541597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128265770753 + 1128265770754.

It is an arithmetic number, because the mean of its divisors is an integer number (1128265770754).

Almost surely, 2^{2256531541507} is an apocalyptic number.

2256531541507 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256531541507 is an equidigital number, since it uses as much as digits as its factorization.

2256531541507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 2256531541507 in words is "two trillion, two hundred fifty-six billion, five hundred thirty-one million, five hundred forty-one thousand, five hundred seven".