10215442251650 has 24 divisors (see below), whose sum is σ = 20000760620880. Its totient is φ = 3871114958160.

The previous prime is 10215442251611. The next prime is 10215442251667. The reversal of 10215442251650 is 5615224451201.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5376547604 + ... + 5376549503.

It is an arithmetic number, because the mean of its divisors is an integer number (833365025870).

Almost surely, 2^{10215442251650} is an apocalyptic number.

10215442251650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10215442251650 is a deficient number, since it is larger than the sum of its proper divisors (9785318369230).

10215442251650 is a wasteful number, since it uses less digits than its factorization.

10215442251650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10753097138 (or 10753097133 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 10215442251650 in words is "ten trillion, two hundred fifteen billion, four hundred forty-two million, two hundred fifty-one thousand, six hundred fifty".