305140055516 has 6 divisors (see below), whose sum is σ = 533995097160. Its totient is φ = 152570027756.

The previous prime is 305140055453. The next prime is 305140055579. The reversal of 305140055516 is 615550041503.

It is an interprime number because it is at equal distance from previous prime (305140055453) and next prime (305140055579).

It is a super-2 number, since 2×305140055516² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38142506936 + ... + 38142506943.

It is an arithmetic number, because the mean of its divisors is an integer number (88999182860).

Almost surely, 2^305140055516 is an apocalyptic number.

It is an amenable number.

305140055516 is a deficient number, since it is larger than the sum of its proper divisors (228855041644).

305140055516 is a wasteful number, since it uses less digits than its factorization.

305140055516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76285013883 (or 76285013881 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 305140055516 in words is "three hundred five billion, one hundred forty million, fifty-five thousand, five hundred sixteen".