1051440515 has 16 divisors (see below), whose sum is σ = 1347211008. Its totient is φ = 785865696.

The previous prime is 1051440503. The next prime is 1051440539. The reversal of 1051440515 is 5150441501.

It is a cyclic number.

It is not a de Polignac number, because 1051440515 - 2²⁸ = 783005059 is a prime.

It is a super-2 number, since 2×1051440515² = 2211054313166930450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101369 + ... + 111258.

It is an arithmetic number, because the mean of its divisors is an integer number (84200688).

Almost surely, 2^1051440515 is an apocalyptic number.

1051440515 is a deficient number, since it is larger than the sum of its proper divisors (295770493).

1051440515 is a wasteful number, since it uses less digits than its factorization.

1051440515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212698.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1051440515 is about 32425.9235026545. The cubic root of 1051440515 is about 1016.8609489259.

The spelling of 1051440515 in words is "one billion, fifty-one million, four hundred forty thousand, five hundred fifteen".