10145561650540 has 12 divisors (see below), whose sum is σ = 21305679466176. Its totient is φ = 4058224660208.

The previous prime is 10145561650531. The next prime is 10145561650541. The reversal of 10145561650540 is 4505616554101.

It is not an unprimeable number, because it can be changed into a prime (10145561650541) 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, 253639041244 + ... + 253639041283.

It is an arithmetic number, because the mean of its divisors is an integer number (1775473288848).

Almost surely, 2^{10145561650540} is an apocalyptic number.

10145561650540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10145561650540 is an abundant number, since it is smaller than the sum of its proper divisors (11160117815636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10145561650540 is a wasteful number, since it uses less digits than its factorization.

10145561650540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507278082536 (or 507278082534 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 10145561650540 in words is "ten trillion, one hundred forty-five billion, five hundred sixty-one million, six hundred fifty thousand, five hundred forty".