1156097979406 has 16 divisors (see below), whose sum is σ = 1850423590800. Its totient is φ = 540123640128.

The previous prime is 1156097979383. The next prime is 1156097979409. The reversal of 1156097979406 is 6049797906511.

It is a super-2 number, since 2×1156097979406² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156097979409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208378261 + ... + 208383808.

It is an arithmetic number, because the mean of its divisors is an integer number (115651474425).

Almost surely, 2^{1156097979406} is an apocalyptic number.

1156097979406 is a deficient number, since it is larger than the sum of its proper divisors (694325611394).

1156097979406 is a wasteful number, since it uses less digits than its factorization.

1156097979406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416762163.

The product of its (nonzero) digits is 25719120, while the sum is 64.

The spelling of 1156097979406 in words is "one trillion, one hundred fifty-six billion, ninety-seven million, nine hundred seventy-nine thousand, four hundred six".