260042011557 has 8 divisors (see below), whose sum is σ = 346764144960. Its totient is φ = 173340609600.

The previous prime is 260042011531. The next prime is 260042011571. The reversal of 260042011557 is 755110240062.

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

It is not a de Polignac number, because 260042011557 - 2¹² = 260042007461 is a prime.

It is a super-2 number, since 2×260042011557² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260042011357) 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, 5153569 + ... + 5203782.

It is an arithmetic number, because the mean of its divisors is an integer number (43345518120).

Almost surely, 2^260042011557 is an apocalyptic number.

It is an amenable number.

260042011557 is a deficient number, since it is larger than the sum of its proper divisors (86722133403).

260042011557 is a wasteful number, since it uses less digits than its factorization.

260042011557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10365723.

The product of its (nonzero) digits is 16800, while the sum is 33.

The spelling of 260042011557 in words is "two hundred sixty billion, forty-two million, eleven thousand, five hundred fifty-seven".