10121925291784 has 16 divisors (see below), whose sum is σ = 18979429478400. Its totient is φ = 5060744097552.

The previous prime is 10121925291773. The next prime is 10121925291809. The reversal of 10121925291784 is 48719252912101.

It is a super-2 number, since 2×10121925291784² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27121624 + ... + 27492295.

It is an arithmetic number, because the mean of its divisors is an integer number (1186214342400).

Almost surely, 2^{10121925291784} is an apocalyptic number.

It is an amenable number.

10121925291784 is a deficient number, since it is larger than the sum of its proper divisors (8857504186616).

10121925291784 is a wasteful number, since it uses less digits than its factorization.

10121925291784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54637092 (or 54637088 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 10121925291784 in words is "ten trillion, one hundred twenty-one billion, nine hundred twenty-five million, two hundred ninety-one thousand, seven hundred eighty-four".