103915778004 has 18 divisors (see below), whose sum is σ = 262675994490. Its totient is φ = 34638592656.

The previous prime is 103915777937. The next prime is 103915778089. The reversal of 103915778004 is 400877519301.

It can be written as a sum of positive squares in only one way, i.e., 63473763600 + 40442014404 = 251940^2 + 201102^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×103915778004² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1443274659 + ... + 1443274730.

It is an arithmetic number, because the mean of its divisors is an integer number (14593110805).

Almost surely, 2^103915778004 is an apocalyptic number.

It is an amenable number.

103915778004 is an abundant number, since it is smaller than the sum of its proper divisors (158760216486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103915778004 is a wasteful number, since it uses less digits than its factorization.

103915778004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886549399 (or 2886549394 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 103915778004 in words is "one hundred three billion, nine hundred fifteen million, seven hundred seventy-eight thousand, four".