10155499999 has 2 divisors, whose sum is σ = 10155500000. Its totient is φ = 10155499998.

The previous prime is 10155499973. The next prime is 10155500011. The reversal of 10155499999 is 99999455101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10155499999 - 2³¹ = 8008016351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10155499919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077749999 + 5077750000.

It is an arithmetic number, because the mean of its divisors is an integer number (5077750000).

Almost surely, 2^10155499999 is an apocalyptic number.

10155499999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10155499999 is an equidigital number, since it uses as much as digits as its factorization.

10155499999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5904900, while the sum is 61.

The spelling of 10155499999 in words is "ten billion, one hundred fifty-five million, four hundred ninety-nine thousand, nine hundred ninety-nine".