1039755651345 has 12 divisors (see below), whose sum is σ = 1802243129076. Its totient is φ = 554536347360.

The previous prime is 1039755651343. The next prime is 1039755651359. The reversal of 1039755651345 is 5431565579301.

It is a happy number.

1039755651345 is a `hidden beast` number, since 1 + 0 + 3 + 9 + 7 + 556 + 51 + 34 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 543170474001 + 496585177344 = 737001^2 + 704688^2 .

It is not a de Polignac number, because 1039755651345 - 2¹ = 1039755651343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1039755651291 and 1039755651300.

It is not an unprimeable number, because it can be changed into a prime (1039755651343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11552840526 + ... + 11552840615.

It is an arithmetic number, because the mean of its divisors is an integer number (150186927423).

Almost surely, 2^{1039755651345} is an apocalyptic number.

1039755651345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1039755651345 is a deficient number, since it is larger than the sum of its proper divisors (762487477731).

1039755651345 is a wasteful number, since it uses less digits than its factorization.

1039755651345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23105681152 (or 23105681149 counting only the distinct ones).

The product of its (nonzero) digits is 8505000, while the sum is 54.

The spelling of 1039755651345 in words is "one trillion, thirty-nine billion, seven hundred fifty-five million, six hundred fifty-one thousand, three hundred forty-five".