1187735055425 has 24 divisors (see below), whose sum is σ = 1527686950944. Its totient is φ = 915377016960.

The previous prime is 1187735055401. The next prime is 1187735055523. The reversal of 1187735055425 is 5245505377811.

It is a happy number.

It is not a de Polignac number, because 1187735055425 - 2¹² = 1187735051329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7489127 + ... + 7646076.

It is an arithmetic number, because the mean of its divisors is an integer number (63653622956).

Almost surely, 2^{1187735055425} is an apocalyptic number.

It is an amenable number.

1187735055425 is a deficient number, since it is larger than the sum of its proper divisors (339951895519).

1187735055425 is a wasteful number, since it uses less digits than its factorization.

1187735055425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15135329 (or 15135324 counting only the distinct ones).

The product of its (nonzero) digits is 5880000, while the sum is 53.

The spelling of 1187735055425 in words is "one trillion, one hundred eighty-seven billion, seven hundred thirty-five million, fifty-five thousand, four hundred twenty-five".