105425120156 has 24 divisors (see below), whose sum is σ = 184691673600. Its totient is φ = 52656108912.

The previous prime is 105425120147. The next prime is 105425120189. The reversal of 105425120156 is 651021524501.

It is a super-2 number, since 2×105425120156² (a number of 23 digits) contains 22 as substring.

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, 21137495 + ... + 21142481.

It is an arithmetic number, because the mean of its divisors is an integer number (7695486400).

Almost surely, 2^105425120156 is an apocalyptic number.

It is an amenable number.

105425120156 is a deficient number, since it is larger than the sum of its proper divisors (79266553444).

105425120156 is a wasteful number, since it uses less digits than its factorization.

105425120156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9593 (or 9591 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 105425120156 its reverse (651021524501), we get a palindrome (756446644657).

The spelling of 105425120156 in words is "one hundred five billion, four hundred twenty-five million, one hundred twenty thousand, one hundred fifty-six".