1011378055730 has 64 divisors (see below), whose sum is σ = 2179536768000. Its totient is φ = 330562971648.

The previous prime is 1011378055729. The next prime is 1011378055741. The reversal of 1011378055730 is 375508731101.

It is a super-2 number, since 2×1011378055730² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2992895 + ... + 3313634.

It is an arithmetic number, because the mean of its divisors is an integer number (34055262000).

Almost surely, 2^{1011378055730} is an apocalyptic number.

1011378055730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011378055730 is an abundant number, since it is smaller than the sum of its proper divisors (1168158712270).

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

1011378055730 is a wasteful number, since it uses less digits than its factorization.

1011378055730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306651.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 1011378055730 in words is "one trillion, eleven billion, three hundred seventy-eight million, fifty-five thousand, seven hundred thirty".