1090957245978 has 16 divisors (see below), whose sum is σ = 2181938029056. Its totient is φ = 363648492480.

The previous prime is 1090957245953. The next prime is 1090957245979. The reversal of 1090957245978 is 8795427590901.

It is not an unprimeable number, because it can be changed into a prime (1090957245979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346618 + ... + 1517253.

It is an arithmetic number, because the mean of its divisors is an integer number (136371126816).

Almost surely, 2^{1090957245978} is an apocalyptic number.

1090957245978 is an abundant number, since it is smaller than the sum of its proper divisors (1090980783078).

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

1090957245978 is a wasteful number, since it uses less digits than its factorization.

1090957245978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961429.

The product of its (nonzero) digits is 57153600, while the sum is 66.

The spelling of 1090957245978 in words is "one trillion, ninety billion, nine hundred fifty-seven million, two hundred forty-five thousand, nine hundred seventy-eight".