10154444445512 has 8 divisors (see below), whose sum is σ = 19039583335350. Its totient is φ = 5077222222752.

The previous prime is 10154444445503. The next prime is 10154444445521. The reversal of 10154444445512 is 21554444445101.

It is an interprime number because it is at equal distance from previous prime (10154444445503) and next prime (10154444445521).

It can be written as a sum of positive squares in only one way, i.e., 9817155298756 + 337289146756 = 3133234^2 + 580766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10154444445512² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634652777837 + ... + 634652777852.

Almost surely, 2^{10154444445512} is an apocalyptic number.

It is an amenable number.

10154444445512 is a deficient number, since it is larger than the sum of its proper divisors (8885138889838).

10154444445512 is a wasteful number, since it uses less digits than its factorization.

10154444445512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269305555695 (or 1269305555691 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 44.

The spelling of 10154444445512 in words is "ten trillion, one hundred fifty-four billion, four hundred forty-four million, four hundred forty-five thousand, five hundred twelve".