1009540225158 has 32 divisors (see below), whose sum is σ = 2089593192960. Its totient is φ = 324771165600.

The previous prime is 1009540225151. The next prime is 1009540225189. The reversal of 1009540225158 is 8515220459001.

It is a super-2 number, since 2×1009540225158² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009540225151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 824860 + ... + 1643007.

It is an arithmetic number, because the mean of its divisors is an integer number (65299787280).

Almost surely, 2^{1009540225158} is an apocalyptic number.

1009540225158 is an abundant number, since it is smaller than the sum of its proper divisors (1080052967802).

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

1009540225158 is a wasteful number, since it uses less digits than its factorization.

1009540225158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470252.

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 1009540225158 in words is "one trillion, nine billion, five hundred forty million, two hundred twenty-five thousand, one hundred fifty-eight".