50400021233511 has 16 divisors (see below), whose sum is σ = 79058856837600. Its totient is φ = 31623542734464.

The previous prime is 50400021233461. The next prime is 50400021233533. The reversal of 50400021233511 is 11533212000405.

50400021233511 is a `hidden beast` number, since 5 + 0 + 400 + 0 + 21 + 233 + 5 + 1 + 1 = 666.

It is not a de Polignac number, because 50400021233511 - 2⁶ = 50400021233447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50400021233581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54901983456 + ... + 54901984373.

It is an arithmetic number, because the mean of its divisors is an integer number (4941178552350).

Almost surely, 2^{50400021233511} is an apocalyptic number.

50400021233511 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

50400021233511 is a deficient number, since it is larger than the sum of its proper divisors (28658835604089).

50400021233511 is a wasteful number, since it uses less digits than its factorization.

50400021233511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109803967855 (or 109803967849 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 50400021233511 its reverse (11533212000405), we get a palindrome (61933233233916).

The spelling of 50400021233511 in words is "fifty trillion, four hundred billion, twenty-one million, two hundred thirty-three thousand, five hundred eleven".