1162111456451 has 8 divisors (see below), whose sum is σ = 1267772574000. Its totient is φ = 1056452775840.

The previous prime is 1162111456433. The next prime is 1162111456489. The reversal of 1162111456451 is 1546541112611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1162111456451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162111456411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471185 + ... + 1595693.

It is an arithmetic number, because the mean of its divisors is an integer number (158471571750).

Almost surely, 2^{1162111456451} is an apocalyptic number.

1162111456451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1162111456451 is a deficient number, since it is larger than the sum of its proper divisors (105661117549).

1162111456451 is a wasteful number, since it uses less digits than its factorization.

1162111456451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218469.

The product of its digits is 28800, while the sum is 38.

The spelling of 1162111456451 in words is "one trillion, one hundred sixty-two billion, one hundred eleven million, four hundred fifty-six thousand, four hundred fifty-one".