1051114621547 has 4 divisors (see below), whose sum is σ = 1059138397416. Its totient is φ = 1043090845680.

The previous prime is 1051114621489. The next prime is 1051114621567. The reversal of 1051114621547 is 7451264111501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051114621547 is a prime.

It is a super-2 number, since 2×1051114621547² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1051114621547.

It is not an unprimeable number, because it can be changed into a prime (1051114621567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4011887738 + ... + 4011887999.

It is an arithmetic number, because the mean of its divisors is an integer number (264784599354).

Almost surely, 2^{1051114621547} is an apocalyptic number.

1051114621547 is a deficient number, since it is larger than the sum of its proper divisors (8023775869).

1051114621547 is an equidigital number, since it uses as much as digits as its factorization.

1051114621547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023775868.

The product of its (nonzero) digits is 33600, while the sum is 38.

The spelling of 1051114621547 in words is "one trillion, fifty-one billion, one hundred fourteen million, six hundred twenty-one thousand, five hundred forty-seven".