1197400086155 has 16 divisors (see below), whose sum is σ = 1768467820224. Its totient is φ = 757914779520.

The previous prime is 1197400086131. The next prime is 1197400086187. The reversal of 1197400086155 is 5516800047911.

It is not a de Polignac number, because 1197400086155 - 2⁸ = 1197400085899 is a prime.

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, 1315823816 + ... + 1315824725.

It is an arithmetic number, because the mean of its divisors is an integer number (110529238764).

Almost surely, 2^{1197400086155} is an apocalyptic number.

1197400086155 is a deficient number, since it is larger than the sum of its proper divisors (571067734069).

1197400086155 is a wasteful number, since it uses less digits than its factorization.

1197400086155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631648566.

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 1197400086155 in words is "one trillion, one hundred ninety-seven billion, four hundred million, eighty-six thousand, one hundred fifty-five".