10154743561 has 4 divisors (see below), whose sum is σ = 10390900432. Its totient is φ = 9918586692.

The previous prime is 10154743549. The next prime is 10154743601. The reversal of 10154743561 is 16534745101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10154743561 - 2¹³ = 10154735369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10154743561.

It is not an unprimeable number, because it can be changed into a prime (10154743541) 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, 118078371 + ... + 118078456.

It is an arithmetic number, because the mean of its divisors is an integer number (2597725108).

Almost surely, 2^10154743561 is an apocalyptic number.

It is an amenable number.

10154743561 is a deficient number, since it is larger than the sum of its proper divisors (236156871).

10154743561 is an equidigital number, since it uses as much as digits as its factorization.

10154743561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236156870.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 10154743561 in words is "ten billion, one hundred fifty-four million, seven hundred forty-three thousand, five hundred sixty-one".