1102378328957 has 4 divisors (see below), whose sum is σ = 1107974158236. Its totient is φ = 1096782499680.

The previous prime is 1102378328897. The next prime is 1102378328999. The reversal of 1102378328957 is 7598238732011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 685461461476 + 416916867481 = 827926^2 + 645691^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102378328957 - 2¹⁶ = 1102378263421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102378327957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2797914344 + ... + 2797914737.

It is an arithmetic number, because the mean of its divisors is an integer number (276993539559).

Almost surely, 2^{1102378328957} is an apocalyptic number.

It is an amenable number.

1102378328957 is a deficient number, since it is larger than the sum of its proper divisors (5595829279).

1102378328957 is an equidigital number, since it uses as much as digits as its factorization.

1102378328957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5595829278.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 1102378328957 in words is "one trillion, one hundred two billion, three hundred seventy-eight million, three hundred twenty-eight thousand, nine hundred fifty-seven".