1051840857599 has 24 divisors (see below), whose sum is σ = 1252140468480. Its totient is φ = 880529804784.

The previous prime is 1051840857569. The next prime is 1051840857607. The reversal of 1051840857599 is 9957580481501.

It is not a de Polignac number, because 1051840857599 - 2¹⁶ = 1051840792063 is a prime.

It is a super-2 number, since 2×1051840857599² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051840857569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36940442 + ... + 36968904.

It is an arithmetic number, because the mean of its divisors is an integer number (52172519520).

Almost surely, 2^{1051840857599} is an apocalyptic number.

1051840857599 is a deficient number, since it is larger than the sum of its proper divisors (200299610881).

1051840857599 is a wasteful number, since it uses less digits than its factorization.

1051840857599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46059 (or 46052 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 62.

The spelling of 1051840857599 in words is "one trillion, fifty-one billion, eight hundred forty million, eight hundred fifty-seven thousand, five hundred ninety-nine".