1081540241770 has 16 divisors (see below), whose sum is σ = 1948624759008. Its totient is φ = 432204469200.

The previous prime is 1081540241737. The next prime is 1081540241777. The reversal of 1081540241770 is 771420451801.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1081540241777) 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, 51442404 + ... + 51463423.

It is an arithmetic number, because the mean of its divisors is an integer number (121789047438).

Almost surely, 2^{1081540241770} is an apocalyptic number.

1081540241770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1081540241770 is a deficient number, since it is larger than the sum of its proper divisors (867084517238).

1081540241770 is a wasteful number, since it uses less digits than its factorization.

1081540241770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102906885.

The product of its (nonzero) digits is 62720, while the sum is 40.

The spelling of 1081540241770 in words is "one trillion, eighty-one billion, five hundred forty million, two hundred forty-one thousand, seven hundred seventy".