260515178253 has 12 divisors (see below), whose sum is σ = 410508765888. Its totient is φ = 157887986760.

The previous prime is 260515178227. The next prime is 260515178303. The reversal of 260515178253 is 352871515062.

260515178253 is a `hidden beast` number, since 2 + 6 + 0 + 5 + 1 + 517 + 82 + 53 = 666.

It is not a de Polignac number, because 260515178253 - 2¹⁰ = 260515177229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260515178199 and 260515178208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260515178653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1315733125 + ... + 1315733322.

It is an arithmetic number, because the mean of its divisors is an integer number (34209063824).

Almost surely, 2^260515178253 is an apocalyptic number.

It is an amenable number.

260515178253 is a deficient number, since it is larger than the sum of its proper divisors (149993587635).

260515178253 is a wasteful number, since it uses less digits than its factorization.

260515178253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631466464 (or 2631466461 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 260515178253 in words is "two hundred sixty billion, five hundred fifteen million, one hundred seventy-eight thousand, two hundred fifty-three".