1078725876015 has 32 divisors (see below), whose sum is σ = 1828713226176. Its totient is φ = 541115217920.

The previous prime is 1078725876013. The next prime is 1078725876017. The reversal of 1078725876015 is 5106785278701.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1078725876013) and next prime (1078725876017).

It is not a de Polignac number, because 1078725876015 - 2¹ = 1078725876013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078725876013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1035996 + ... + 1797425.

It is an arithmetic number, because the mean of its divisors is an integer number (57147288318).

Almost surely, 2^{1078725876015} is an apocalyptic number.

1078725876015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1078725876015 is a deficient number, since it is larger than the sum of its proper divisors (749987350161).

1078725876015 is a wasteful number, since it uses less digits than its factorization.

1078725876015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834939.

The product of its (nonzero) digits is 6585600, while the sum is 57.

The spelling of 1078725876015 in words is "one trillion, seventy-eight billion, seven hundred twenty-five million, eight hundred seventy-six thousand, fifteen".