1047777155357 has 2 divisors, whose sum is σ = 1047777155358. Its totient is φ = 1047777155356.

The previous prime is 1047777155303. The next prime is 1047777155417. The reversal of 1047777155357 is 7535517777401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1033341373156 + 14435782201 = 1016534^2 + 120149^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047777155357 - 2¹² = 1047777151261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1047777155296 and 1047777155305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047777154357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523888577678 + 523888577679.

It is an arithmetic number, because the mean of its divisors is an integer number (523888577679).

Almost surely, 2^{1047777155357} is an apocalyptic number.

It is an amenable number.

1047777155357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047777155357 is an equidigital number, since it uses as much as digits as its factorization.

1047777155357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25210500, while the sum is 59.

The spelling of 1047777155357 in words is "one trillion, forty-seven billion, seven hundred seventy-seven million, one hundred fifty-five thousand, three hundred fifty-seven".