1051830779904 has 364 divisors, whose sum is σ = 3227399439396. Its totient is φ = 342456532992.

The previous prime is 1051830779903. The next prime is 1051830779911. The reversal of 1051830779904 is 4099770381501.

It is a happy number.

1051830779904 is a `hidden beast` number, since 1 + 0 + 518 + 30 + 7 + 7 + 9 + 90 + 4 = 666.

It is a super-2 number, since 2×1051830779904² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051830779903) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 24461180907 + ... + 24461180949.

Almost surely, 2^{1051830779904} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051830779904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613699719698).

1051830779904 is an abundant number, since it is smaller than the sum of its proper divisors (2175568659492).

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

1051830779904 is an frugal number, since it uses more digits than its factorization.

1051830779904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 1051830779904 in words is "one trillion, fifty-one billion, eight hundred thirty million, seven hundred seventy-nine thousand, nine hundred four".