10645260601545 has 24 divisors (see below), whose sum is σ = 18454252112712. Its totient is φ = 5676713222400.

The previous prime is 10645260601531. The next prime is 10645260601561. The reversal of 10645260601545 is 54510606254601.

10645260601545 is a `hidden beast` number, since 1 + 0 + 6 + 45 + 2 + 6 + 0 + 60 + 1 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3143911979664 + 7501348621881 = 1773108^2 + 2738859^2 .

It is not a de Polignac number, because 10645260601545 - 2¹⁴ = 10645260585161 is a prime.

It is a super-2 number, since 2×10645260601545² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10645260601545.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15474166 + ... + 16147455.

It is an arithmetic number, because the mean of its divisors is an integer number (768927171363).

Almost surely, 2^{10645260601545} is an apocalyptic number.

10645260601545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10645260601545 is a deficient number, since it is larger than the sum of its proper divisors (7808991511167).

10645260601545 is a wasteful number, since it uses less digits than its factorization.

10645260601545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31629113 (or 31629110 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 10645260601545 in words is "ten trillion, six hundred forty-five billion, two hundred sixty million, six hundred one thousand, five hundred forty-five".