40505151051 has 12 divisors (see below), whose sum is σ = 59868079128. Its totient is φ = 26375446944.

The previous prime is 40505151047. The next prime is 40505151091. The reversal of 40505151051 is 15015150504.

40505151051 is a `hidden beast` number, since 4 + 0 + 50 + 51 + 510 + 51 = 666.

It is not a de Polignac number, because 40505151051 - 2² = 40505151047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40505151041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52331850 + ... + 52332623.

It is an arithmetic number, because the mean of its divisors is an integer number (4989006594).

Almost surely, 2^40505151051 is an apocalyptic number.

40505151051 is a deficient number, since it is larger than the sum of its proper divisors (19362928077).

40505151051 is a wasteful number, since it uses less digits than its factorization.

40505151051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104664522 (or 104664519 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The spelling of 40505151051 in words is "forty billion, five hundred five million, one hundred fifty-one thousand, fifty-one".