1055015765 has 8 divisors (see below), whose sum is σ = 1275260760. Its totient is φ = 837851392.

The previous prime is 1055015723. The next prime is 1055015789. The reversal of 1055015765 is 5675105501.

It can be written as a sum of positive squares in 4 ways, for example, as 414773956 + 640241809 = 20366^2 + 25303^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1055015765 - 2¹² = 1055011669 is a prime.

It is a super-2 number, since 2×1055015765² = 2226116528797070450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769400 + ... + 770769.

It is an arithmetic number, because the mean of its divisors is an integer number (159407595).

Almost surely, 2^1055015765 is an apocalyptic number.

It is an amenable number.

1055015765 is a deficient number, since it is larger than the sum of its proper divisors (220244995).

1055015765 is a wasteful number, since it uses less digits than its factorization.

1055015765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540311.

The product of its (nonzero) digits is 26250, while the sum is 35.

The square root of 1055015765 is about 32481.0062190198. The cubic root of 1055015765 is about 1018.0122009929.

The spelling of 1055015765 in words is "one billion, fifty-five million, fifteen thousand, seven hundred sixty-five".