1497116931156 has 480 divisors, whose sum is σ = 5084406835200. Its totient is φ = 372726385920.

The previous prime is 1497116931137. The next prime is 1497116931227. The reversal of 1497116931156 is 6511396117941.

It is a happy number.

1497116931156 is a `hidden beast` number, since 1 + 497 + 1 + 1 + 6 + 93 + 11 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 100557945 + ... + 100572831.

It is an arithmetic number, because the mean of its divisors is an integer number (10592514240).

Almost surely, 2^{1497116931156} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1497116931156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2542203417600).

1497116931156 is an abundant number, since it is smaller than the sum of its proper divisors (3587289904044).

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

1497116931156 is a wasteful number, since it uses less digits than its factorization.

1497116931156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15089 (or 15078 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The spelling of 1497116931156 in words is "one trillion, four hundred ninety-seven billion, one hundred sixteen million, nine hundred thirty-one thousand, one hundred fifty-six".