10142551550491 has 2 divisors, whose sum is σ = 10142551550492. Its totient is φ = 10142551550490.

The previous prime is 10142551550479. The next prime is 10142551550513. The reversal of 10142551550491 is 19405515524101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10142551550491 - 2⁵ = 10142551550459 is a prime.

It is not a weakly prime, because it can be changed into another prime (10142551550441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071275775245 + 5071275775246.

It is an arithmetic number, because the mean of its divisors is an integer number (5071275775246).

Almost surely, 2^{10142551550491} is an apocalyptic number.

10142551550491 is a deficient number, since it is larger than the sum of its proper divisors (1).

10142551550491 is an equidigital number, since it uses as much as digits as its factorization.

10142551550491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 43.

The spelling of 10142551550491 in words is "ten trillion, one hundred forty-two billion, five hundred fifty-one million, five hundred fifty thousand, four hundred ninety-one".