10215522453140 has 24 divisors (see below), whose sum is σ = 21485449548360. Its totient is φ = 4079951381888.

The previous prime is 10215522453133. The next prime is 10215522453163. The reversal of 10215522453140 is 4135422551201.

It can be written as a sum of positive squares in 4 ways, for example, as 329792924176 + 9885729528964 = 574276^2 + 3144158^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10215522453140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391086575 + ... + 391112694.

It is an arithmetic number, because the mean of its divisors is an integer number (895227064515).

Almost surely, 2^{10215522453140} is an apocalyptic number.

10215522453140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10215522453140 is an abundant number, since it is smaller than the sum of its proper divisors (11269927095220).

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

10215522453140 is a wasteful number, since it uses less digits than its factorization.

10215522453140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782199931 (or 782199929 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 10215522453140 in words is "ten trillion, two hundred fifteen billion, five hundred twenty-two million, four hundred fifty-three thousand, one hundred forty".