1097925018 has 16 divisors (see below), whose sum is σ = 2196615456. Its totient is φ = 365847440.

The previous prime is 1097925011. The next prime is 1097925053. The reversal of 1097925018 is 8105297901.

It is not an unprimeable number, because it can be changed into a prime (1097925011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12321 + ... + 48452.

It is an arithmetic number, because the mean of its divisors is an integer number (137288466).

Almost surely, 2^1097925018 is an apocalyptic number.

1097925018 is an abundant number, since it is smaller than the sum of its proper divisors (1098690438).

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

1097925018 is a wasteful number, since it uses less digits than its factorization.

1097925018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63789.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 1097925018 is about 33134.9516070267. The cubic root of 1097925018 is about 1031.6306273048.

The spelling of 1097925018 in words is "one billion, ninety-seven million, nine hundred twenty-five thousand, eighteen".