10255392481087 has 4 divisors (see below), whose sum is σ = 11044268825800. Its totient is φ = 9466516136376.

The previous prime is 10255392481051. The next prime is 10255392481109. The reversal of 10255392481087 is 78018429355201.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-10255392481087 is a prime.

It is a super-2 number, since 2×10255392481087² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10255392481387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394438172337 + ... + 394438172362.

It is an arithmetic number, because the mean of its divisors is an integer number (2761067206450).

Almost surely, 2^{10255392481087} is an apocalyptic number.

10255392481087 is a deficient number, since it is larger than the sum of its proper divisors (788876344713).

10255392481087 is an equidigital number, since it uses as much as digits as its factorization.

10255392481087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788876344712.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 10255392481087 in words is "ten trillion, two hundred fifty-five billion, three hundred ninety-two million, four hundred eighty-one thousand, eighty-seven".