1047777155356 has 24 divisors (see below), whose sum is σ = 1892915015040. Its totient is φ = 506947084800.

The previous prime is 1047777155303. The next prime is 1047777155357. The reversal of 1047777155356 is 6535517777401.

It is a super-2 number, since 2×1047777155356² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1047777155356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047777155357) 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, 1186116 + ... + 1871476.

It is an arithmetic number, because the mean of its divisors is an integer number (78871458960).

Almost surely, 2^{1047777155356} is an apocalyptic number.

It is an amenable number.

1047777155356 is a deficient number, since it is larger than the sum of its proper divisors (845137859684).

1047777155356 is a wasteful number, since it uses less digits than its factorization.

1047777155356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697725 (or 697723 counting only the distinct ones).

The product of its (nonzero) digits is 21609000, while the sum is 58.

The spelling of 1047777155356 in words is "one trillion, forty-seven billion, seven hundred seventy-seven million, one hundred fifty-five thousand, three hundred fifty-six".