133399411783561 has 32 divisors (see below), whose sum is σ = 177285702758400. Its totient is φ = 97230127438080.

The previous prime is 133399411783513. The next prime is 133399411783567. The reversal of 133399411783561 is 165387114993331.

It is a happy number.

It is not a de Polignac number, because 133399411783561 - 2⁷ = 133399411783433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133399411783493 and 133399411783502.

It is not an unprimeable number, because it can be changed into a prime (133399411783567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 576986320 + ... + 577217473.

It is an arithmetic number, because the mean of its divisors is an integer number (5540178211200).

Almost surely, 2^{133399411783561} is an apocalyptic number.

133399411783561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133399411783561 is a deficient number, since it is larger than the sum of its proper divisors (43886290974839).

133399411783561 is a wasteful number, since it uses less digits than its factorization.

133399411783561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154203909.

The product of its digits is 44089920, while the sum is 64.

The spelling of 133399411783561 in words is "one hundred thirty-three trillion, three hundred ninety-nine billion, four hundred eleven million, seven hundred eighty-three thousand, five hundred sixty-one".