6155990100823 has 4 divisors (see below), whose sum is σ = 6354570426688. Its totient is φ = 5957409774960.

The previous prime is 6155990100797. The next prime is 6155990100917. The reversal of 6155990100823 is 3280010995516.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6155990100823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155990200823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99290162886 + ... + 99290162947.

It is an arithmetic number, because the mean of its divisors is an integer number (1588642606672).

Almost surely, 2^{6155990100823} is an apocalyptic number.

6155990100823 is a deficient number, since it is larger than the sum of its proper divisors (198580325865).

6155990100823 is a wasteful number, since it uses less digits than its factorization.

6155990100823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198580325864.

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 6155990100823 in words is "six trillion, one hundred fifty-five billion, nine hundred ninety million, one hundred thousand, eight hundred twenty-three".