6155405651 has 2 divisors, whose sum is σ = 6155405652. Its totient is φ = 6155405650.

The previous prime is 6155405621. The next prime is 6155405689. The reversal of 6155405651 is 1565045516.

It is a happy number.

6155405651 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (6155405689) can be obtained adding 6155405651 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6155405651 - 2²² = 6151211347 is a prime.

It is not a weakly prime, because it can be changed into another prime (6155405621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077702825 + 3077702826.

It is an arithmetic number, because the mean of its divisors is an integer number (3077702826).

Almost surely, 2^6155405651 is an apocalyptic number.

6155405651 is a deficient number, since it is larger than the sum of its proper divisors (1).

6155405651 is an equidigital number, since it uses as much as digits as its factorization.

6155405651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 6155405651 is about 78456.3933086399. The cubic root of 6155405651 is about 1832.6754391560.

The spelling of 6155405651 in words is "six billion, one hundred fifty-five million, four hundred five thousand, six hundred fifty-one".