50156451345 has 256 divisors, whose sum is σ = 112173465600. Its totient is φ = 18459463680.

The previous prime is 50156451263. The next prime is 50156451349. The reversal of 50156451345 is 54315465105.

It is not a de Polignac number, because 50156451345 - 2¹⁰ = 50156450321 is a prime.

It is a super-2 number, since 2×50156451345² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (50156451349) 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 255 ways as a sum of consecutive naturals, for example, 99714364 + ... + 99714866.

It is an arithmetic number, because the mean of its divisors is an integer number (438177600).

Almost surely, 2^50156451345 is an apocalyptic number.

50156451345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50156451345 is an abundant number, since it is smaller than the sum of its proper divisors (62017014255).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50156451345 is a wasteful number, since it uses less digits than its factorization.

50156451345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 180000, while the sum is 39.

It can be divided in two parts, 50156 and 451345, that added together give a triangular number (501501 = T₁₀₀₁).

The spelling of 50156451345 in words is "fifty billion, one hundred fifty-six million, four hundred fifty-one thousand, three hundred forty-five".